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a critical re-evaluation of the anisotropic index used in polarization microscopy: a study on epiphyseal cartilage.topo-optical reactions specific for collagen and glycosaminoglycans were performed on epiphyseal cartilage plates which differed in age, in chemical composition, and in structure. retardation values were measured with the polarization microscope and anisotropic index values were calculated after each reaction. it was found that the anisotropic index proposed earlier for quantitative evaluation of topo-optical reactions did not refer either to the submicroscopic orientation pattern or to the quan ...197994227
[vascularization of malignant melanoma in golden hamster]. 197994247
biochemical and immunological studies of three genetic variants of 3-phosphoglycerate kinase 2 from the mouse.three electrophoretic variants of 3-phosphoglycerate kinase 2 (pgk-2a,pgk-2b, and pgk-2c) were purified from dba/2j, c3h/hej, and c57l/j mice, respectively. pgk-2c exhibits only 2% of the specific activity of pgk-2a and pgk-2b in the reaction leading to the formation of 1,3-diphosphoglycerate. compared to pgk-2a and pgk-2b, pgk-2c exhibits broader coenzyme specificity and lower kms for substrate and coenzymes. incubation at 45c revealed immunionactivation and double immunodiffusion studies show ...197994263
immunological approaches to chromatin and chromosome structure and function. 197994283
natural plant enzyme inhibitors: part vii--alpha amylase inhibitors & amylases in plant tubers. 197994300
characterization of fractional mutations in drosophila: role of rna, protein & repair synthesis. 200094307
[improvement of blood viscosity after infusion of low-molecular hydroxyethyl starch (expafusin) in healthy subjects].in healthy volunteers, 500 ml of a 6% low molecular weight hydroxyethyl starch solution (expafusin) was infused intravenously within 30 minutes. blood samples for the measurement of rheological parameters were obtained before and after the infusion. blood and plasma viscosity were significantly decreased after the infusion of hes. red cell deformability as measured by a filtration technique was slightly improved. red cell aggregation as measured by a light transmission method was markedly reduce ...200094316
crossed immunoelectrophoretic analyses of antigens from trypanosoma lewisi and trypanosoma musculi. 197994319
first scribbles: the emergence of an ego function. 200094332
chemotherapy of herpes simplex virus encephalitis in mice by direct intracerebral injection.the effects of 9-beta-d-arabinofuranosyladenine-5'-phosphate (ara-a-5'-p) on herpes simplex virus encephalitis in mice were studied. this drug is a monophosphate derivative of adenine arabinoside (ara-a). when administered by the intracerebral (ic) route, ara-a-5'-p was highly effective in virus-infected mice in the 17-20 g weight range provided therapy was begun before clinical symptoms of encephalitis appeared. the most effective dose schedule was found to be three daily ic injections totaling ...197994338
chlamydia psittaci: growth characteristics and enumeration of serotypes 1 and 2 in cultured cells.the growth characteristics of chlamydia psittaci serotypes 1 and 2 (ovine and bovine origin) were studed in mouse l cells. formation of inclusions and yield of infectious progeny for serotype 1 were maximal when host cells were treated with cycloheximide and the ph in the cell culture medium was 7.2-7.4. the number of cells that contained inclusions and the infectivity yield for serotype 2 were maximal when the ph was 6.6-7.0. treatments with diethylaminoethyl dextran and cycloheximide increased ...197994339
visual averaged evoked responses in psychiatric patients. relationship to levels of 5-hydroxy-indoleacetic acid, homovanilic acid and tryptophan in cerebrospinal fluid. 200094355
disopyramide plasma and myocardial tissue concentrations as they relate to antiarrhythmic activity.antiarrhythmic concentrations of disopyramide in canine plasma and myocardium were determined by gas chromatography. ventricular tachycardia was incuded in anesthetized dogs by the intravenous administration of ouabain. disopyramide phosphate was then administered by a two-stage continuous infusion method. a rapid infusion of disopyramide (9.08 mg/kg/hr) was administered for 30 min, followed by a slow infusion (2.18 mg/kg/hr) to maintain steady-state plasma levels of 1.98-2.21, mean +/- sem = 2. ...197994410
[study on the pathogenecity of chrysosporium species (author's transl)]. 197994426
effect of subminimal inhibitory concentrations of mecillinam on the synthesis of dna, rna, and protein of salmonella typhimurium: a proposed mechanism of action.salmonellae alter their rod-like morphology to become large ovals within 3-5 hr after being exposed to concentrations of mecillinam below the minimal inhibitory concentration. before this overt morphologic change occurs, synthesis of dna increases, with a concomitant decrease in total protein synthesis. incorporation of [3h]leucine into cell wall protein is markedly inhibited by mecillinam, whereas incorporation of leucine into soluble intracellular proteins is enchanced by the drug. electrophor ...197994451
effects of subminimal inhibitory concentrations of ampicillin, chloramphenicol, and nitrofurantoin on the attachment of escherichia coli to human uroepithelial cells in vitro.an in vitro system with epithelial cells of the human urinary tract and escherichia coli isolated from the urine of pateints with acute pyelonephritis was used for tests of the effect of antibacterial agents on bacterial adhesion. e. coli treated with subminimal inhibitory amounts of ampicillin attached less than untreated control bacteria. subminimal inhibitory amounts of chloramphenicol and nitrofurantoin had no effect on adhesion of the 15 strains of e. coli tested. the combination of bacteri ...197994452
beta thromboglobulin and glycosylated haemoglobin in diabetes mellitus.no correlation has been demonstrated between the elevated levels of plasma beta-thromboglobulin and glycosylated haemoglobin found in a group of 97 diabetic patients. the abnormality in diabetic platelets which is reflected by beta-thromboglobulin levels may not therefore be a direct result of poor metabolic control. the highest levels of beta-thromboglobulin were found in those patients with a raised blood urea. glycosylated haemoglobin levels correlated with prevailing blood glucose and with t ...200094458
hereditary alpha 2-macroglobulin deficiency.on screening of a normal material 1 man was found (age 37) who on repeated determinations had a low alpha 2m, namely 25 % with electroimmuno assay according to laurell. investigation of the family revealed that the mother (age 69) and one daughter (age 5) had low values too. all other coagulation and fibrinolytic components were normal. they had no signs of increased fibrinolysis and normal levels of alpha 2-antiplasmin, alpha 1-antitrypsin and antithrombin iii. liver function tests were normal. ...197994459
endotoxin shock in the beagle dog. 197994472
axonal transport. 197994473
subtle clues to diagnosis by histochemistry. mast cell disease. 200094510
eosinophilic globules in spitz's nevi. new findings and a diagnostic sign.dull pink globules were found within the epidermis in 65% of junctional, 75% of compound, and 25% of intradermal types of spitz's nevi (the nevi of large spindle and/or epithelioid cells). these globules were pas-positive, diastase-resistant and also were positive with the trichrome stain. similar-appearing eosinophilic globules were noted in the epidermis in only 2% of malignant melanomas and in but 0.9% of ordinary melanocytic nevi. the globules in malignant melanomas and in ordinary melanocyt ...200094511
effect of silica on a culture of rat peritoneal macrophages. 197994527
influence of substance p on mesenteric hemodynamics in the pig. 197994532
a biochemical comparison of development of various facial bones in neonatal rats. 197994540
[experience with automatic processing of pictures of bone preparations with special reference to the hard cutting technic]. 200094547
evidence for the presence of an oncornaviral reverse transcriptase in an orbital tumor associated to acute myelomonocytic leukemia in children: biochemical and immunological characterization of the enzyme. 200094581
placental alkaline phosphatase, alphafetoprotein and carcinoembryonic antigen in testicular tumors. tissue typing by means of cytologic smears.indirect immunofluorescence and radioimmunoassay with specific rabbit antisera demonstrated the occurrence of alphafetoprotein (afp), carcinoembryonic antigen (cea) and placental alkaline phosphatase (plap) in primary testicular tumor cells. embryonal carcinomas had afp- and cea-containing cells, sometimes plap. plap and sometimes cea were found in seminoma cells. sera from patients with advanced non-seminomatous tumors could contain any of these antigens or any combination of them. sera from pa ...197994592
poly(a)+ rna from tetrahymena: stimulation of protein synthesis in vitro.cell-free synthesis of high molecular weight polypeptides, programmed by rna from tetrahymena pyriformis strain w is reported, and methods for preparation of the rna are described. the rna was extracted by the sds-phenol-chloroform-isoamyl alcohol technic. the bulk of extracted rna was ribosomal and on sucrose gradients peaked at approximately 17s and 25s. after heat denaturation all the 25s rna was converted to 17s, indicating the presence of hidden breaks, possibly the result of nuclease activ ...200094610
studies on the role of vasopressin in blood pressure control of spontaneously hypertensive rats with established hypertension (shr, stroke-prone strain).we investigated the role of arginine-vasopressin (avp) in maintaining the blood pressure of spontaneously hypertensive (sh) rats (stroke-prone strain) with established hypertension (22--28 weeks of age). in comparison with normotensive wistar kyoto (wky) rats, plasma avp concentrations of sh rats with benign hypertension (bh) were elevated twofold and in rats with severe or malignant hypertension (s-mh), fourfold. the height of the blood pressure was quantitatively related to plasma avp in both ...197994626
[the 38th congress of the japan neurosurgical society. abstracts]. 200094653
[changes of intracranial pressure, cerebral blood flow and clinical status in patients with diffuse cerebral vasospasm after rupture of intracranial aneurysm (author's transl)]. 200094655
[chemotherapy of malignant brain tumor by a water-soluble anti-tumor nitrosourea, acnu (author's transl)]. 200094657
[serum and urine inhibitors of alpha-amylase (author's transl)]. 200094675
a thymus-independent igg response against dextran b512 can be induced in c57bl but not in cba mice, even though both strains possess a vhdex gene.cba and c57bl mice both possess a vhdex gene coding for antibodies against the alpha 1-6 epitope of dextran b512. after immunization with dextran, cba mice produce igm plaque-forming cells (pfc) only, which show regular cyclical fluctuations. the second pfc peak disappeared after injection of dextranase, indicating that it is antigen-dependent. the anti-dextran response in c57bl mice is characterized by only one igm peak, followed 1 day later by an igg peak that may exceed the igm response by a ...200094695
hla frequencies in a mexican mestizo population.the aim of the present study was to reevaluate the distribution of hla antigens in mexican mestizos since, in our previous report, very few specificities were explored for this population. the mestizos are primarly a mixture of caucasians (spaniards) and mexican indians and account at the present time for about 95% of the total mexican population. a and b antigens were typed on isolated cells using a microlymphocytotoxicity technique. antigen, gene and haplotype frequencies were calculated inclu ...200094707
transferable drug resistance of escherichia coli isolated from infant diarrhoea.the resistance to several drugs was determined in 29 pathogenic strains of escherichia coli (026, 055 and 0111) isolated from infant diarrhoea and 18 non-pathogenic e. coli strains isolated from the same individuals. both pathogenic and nonpathogenic strains were resistant to at least 1 to 10 drugs, but only in four cases resistance patterns of the pathogenic strains were identical with those of non pathogenic ones. the majority of the strains were resistant to sulfonamide, tetracycline, ampicil ...197994745
a novel biological function of macrophages associated with antigen discrimination properties.the ability of fresh or cultured subpopulation of adherent peritoneal exudate cells to perform discrete biological functions commonly associated with macrophages, namely antibody dependent cytotoxicity (adcc) and phagocytosis, has been compared with the ability of the same cells to present tnp coupled to carbohydrate or protein carriers for a subsequent antibody response, or semi-allogeneic cells for t cell cytotoxic responses, in tissue culture. data are presented to show that adcc reactivity r ...200094755
the effect of native and sonicated double-stranded polyribonucleotides on the course of spontaneous autoimmune disease in nzb and nzb/swiss f1 mice.the administration of sonicated fractions of f2 phage polyribonucleotides caused an increased weight loss and deterioration of the clinical state in female nzb mice. discontinuance of the treatment resulted in an improvement of both the clinical state and the genetically determined autoimmune disorders of these mice. some potential explanations of this effect are discussed.200094768
frontiers of quantitative cytochemistry: a review of recent developments and potentials.this article attempts to describe the current state of quantitative cytochemical methods and to point out areas where, in the author's opinion, the greatest progress is either being made or can be expected. nearly 300 references to the current literature are cited.200094776
[comparative study of 5 alpha-reductase activity in the prostate and the human scalp]. 197994780
study of the adriamycin-acidic phospholipid complex in model membranes [proceedings]. 197994796
theoretical conformational analysis of three [trp4, met5]-enkephalin analogs related to non-radiative energy transfer [proceedings]. 200094806
production of radicals by singlet oxygen reaction: an e.s.r. study [proceedings]. 200094810
determination of metabolite compartition in hepatic cells by varying the redox state in vivo.in the present study, metabolite (lactate, pyruvate, glycerol 3-phosphate, dihydroxyacetone phosphate) concentrations were measured in various redox states. the mathematical relations between metabolite concentrations in various redox states were expressed algebraically and studied. models which provided separate lactate/pyruvate (l/p) and glycerol 3-phosphate/dihydroxyacetone phosphate (g/d) spaces correspond to the experimental results in the case of "reductants" (e.g. ethanol, acetaldehyde, d ...197994822
the influence of sex, of castration in new-born males and of androgen treatment in new-born females on the mouse-killing behaviour of the rat.the results we have got on the mouse-killing behaviour of the rat point out the remarkable percentage difference between control males and control females, between integral males and males castrated at birth, and between normal females and females under the effects of androgens. such results make us believe that the appearance of the killer behaviour is affected by the presence of testosterone in the first days of life of the rat.197994825
[faecal enzyme diagnostic (author's transl)].the hitherto existing results of determinations of enzymatic activities in stool are presented in this review. the chymotrypsin activity is diminished in advanced exocrine pancreatic insufficiency. the faecal alpha-amylase activity has up to now no significance in the diagnosis of pancreatic diseases. up to five amylolytic enzyme activities are detectable. the alkaline phosphatase is mostly of intestinal origin. up to 4 enzyme bands can be exhibited with the disc electrophoresis in polyacrylamid ...197994852
[effect of ergoline derivatives on platelet and blood vessels].the influence of dihydrogenated ergot alkaloids on vessels and blood platelets was studied in vitro and in vivo. at low concentrations they cause contraction of isolated vein strips via a stimulation of alpha-adrenoceptors, at higher concentrations they antagonize the action of noradrenaline on arteries and veins and inhibit the adrenaline-induced platelet aggregation in vitro. in volunteers, intravenous and subcutaneous administration of dihydroergotamine (dihytamin) caused a decrease in blood ...197994864
[prevention of reinfarction with acetylsalicylic acid].a report is presented on the prospective trial for prophylaxis of myocardial reinfarction by means of acetylsalicyclic acid. for the first time it was organized on the basis of population. 1,340 patients were treated with acetylsalicylic acid or placebo respectively for 22 months on an average. there were 24 cases of reinfarction in the group of treatment and 51 in the placebo group. the difference is significant.200194871
[mechanism of the thrombin-platelet reaction].in the course of investigations concerning the mechanism of the thrombin platelet interaction the conditions for the appearance of a refractory behaviour of platelets towards thrombin were examined. as investigation of the platelet reactivity by determining the amine liberation showed that a continuous or discontinuous addition of slight amounts of thrombin will cause the refractory condition. the findings were analyzed in view of the interaction between the dissolved enzyme and the fixed substr ...200194880
induction of monoclonal antibody synthesis in malignant human b cells by polyclonal b cell activators. relationship between b cell subsets and prognosis. 197994897
a simplified short-term technique for detection of chemical carcinogens: microsomal degranulation by tannic acid. 197994904
role of interferon in mice in protection against influenza a virus by bacterial ribosomes together with membranal glycoproteins of klebsiella pneumoniae as adjuvant.nonspecific protection against infectious aerosols of influenza a virus was obtained in swiss mice after vaccination by aerosols of bacterial ribosomes together with membranal glycoproteins extracted from klebsiella pneumoniae as the adjuvant. it was shown that repeated stimulant aerosols were necessary to obtain this protection. routine estimation of serum interferon levels after administration of the association of ribosomes plus membranal glycoproteins to the animals by aerosol or intravenous ...197994908
rapid gas chromatographic method for the determination of kepone in the eel. 200194914
study of the interaction between phosphorylase and hydrophobic groups by means of affinity electrophoresis.a homologous series of water-soluble alkyl-dextrans varying in the length of their hydrocarbon side-chain [-nh-(ch2)n-ch3; n = 1-5] were synthesized. when alkyl-dextrans were entrapped in polyacrylamide gel, the electrophoretic mobility of phosphorylase was retarded by hydrophobic interaction between phosphorylase and the immobilized alkyl groups. the dissociation constants of rabbit brain phosphorylase, rabbit skeletal muscle phosphorylase a and b and potato glycogen and starch phosphorylases w ...197994915
chromatography of non-human albumins on cibacron blue-agarose. application to the separation of albumin from rat alpha-fetoprotein. 197994917
[circadian variations of the plasma proteins in the adult male rat under natural synchronisation (author's transl)].circadian rhythms of blood total proteins, albumin, alpha 1-, alpha 2-, beta- and gamma-globulins were documented in 80 wistar spf adult male rats, synchronized by natural light (06.00-18.00 h) and darkness (18.00-06.00 h) during the month of october 78. blood was sampled at four fixed time points in the 24 h scale (i.e. 04.00, 10.00, 16.00 or 24.00 h). total proteins, albumin, alpha 2- and gamma-globulins showed a statistically significant rhythm with a maximum at 04.00 h. the data obtained in ...197994931
[volvulus of the afferent loop after billroth ii operation (author's transl)].a case report is given of a patient, who had a volvulus of the afferent loop after billroth ii operation; on relaparotomy it was found, that this loop had slipped cranially through the mesocolic slit, twisted, and become gangreneous, due to bad adjustement of the slit. increased levels of serum amylase initially had given rise to the suspicion, that the deteriorating condition of the patient was due to pancreatitis. the patient recovered fully after resection had been done and an y-roux-anastomo ...200194934
[inhibition of rna synthesis in vitro by antibodies against mononucleotides].antibodies against purine nucleotides were obtained from rabbits immunized with conjugates of bovine serum albumine with amp or gmp. the antibodies purified by affinity chromatography on nucleoside monophosphate-human serum albumine-sepharose columns inhibited rna synthesis on native t4 phage dna by e. coli rna polymerase. the inhibition of transcription was due mainly to inhibition of the initiation stage of rna synthesis.197994937
a silver carbonate method for cell counts of neurons and glial elements on paraffin embedded brain tissue.a modification of the del rio-hortega method for the demonstration of central nervous system elements is presented. this silver impregnation technique is particularly useful for the classification of cell types for quantitative differential cell counts. formalin fixed paraffin sections are immersed in formol-ammonium bromide for 1 1/2 hours; this solution is an excellent mordant for various silver nitrate stains. the samples are stained for 20 to 60 minutes in a silver carbonate solution (25 ml ...197994949
a simple device for staining many single-hole grids without individual manipulation. 200194955
[quantitative disc electrophoretic determination of amylase activity in the urine with regard to age]. 200194964
[the behaviour of some histochemical reactions in testicle tissue of a white rat as a result of kaptan action (author's transl)]. 197894984
[repeated palliative measures for intrathoracic neurofibrosarcoma and hypoglycemia]. 200195005
[indoleamine precursors in depression (author's transl)].tryptophan and 5-hydroxytryptophan have now been extensively investigated in affective disorders. there is now very good evidence that tryptophan increases the antidepressant activity of monoamine oxidase inhibitors. the antidepressant activity of tryptophan and 5-hydroxytryptophan has also been the subject of numerous investigations. there is evidence that patients with decreased cerebrospinal fluid concentration of 5-hydroxyindoleacetic acid respond particularly favourably to this treatment. t ...200195009
visual aids in nutrition education. a guide to their preparation and use. 200195011
properties and usefulness of the original k-562 human myelogenous leukemia cell line. 197995026
panretinal photocoagulation and optic disc neovascularization. 200195030
integrated care: the hospital-based hospice. 200195041
the need for quality hospice care. 200195042
projections of raphe neurones to the cerebellar vermis cortex in the rabbit. a horseradish peroxidase (hrp) study. 197995045
[evolution of the free thyroxine index during pregnancy]. 200195054
[influence of parotin on the repressing action of cyanylethyl group to histamine stress (author's transl)]. 197895057
[studies of acid-soluble antigens in several strains of the genus bacillus for orienting purposes (author's transl)].by acid hydrolysis (0.2 n hcl) it was possible to obtain extracts from nonsporulated cells of different strains of 5 species of the genus bacillus which were composed mainly or solely of species-specific antigens. this was the result of experiments using the immunodiffusion technique after having prepared antisera from rabbits with the aid of hcl extracts. cross-reacting antibodies were adsorbed easily. the species-specific reacting antisera revealed the existence of group- or strain-specific an ...197995076
[antigen-specific t-cell factors in the regulation of the immune response (author's transl)].we have examined in this brief review several facets of antigen-specific t-cell mediators found independently by different investigators. these factors have many common properties: (1) they are produced as a consequence of antigen stimulation; (2) they are obtained from t-cell populations and not from b cells or macrophages; their synthesis by t cells, however, has not been formally demonstrated; (3) they are antigen-specific and are selectively adsorbed by antigen-sepharose columns; (4) they la ...200195085
studies of the levels of hydrolytic enzymes & insulin content in rat pancreas on preincubation with trasylol. 197995115
cytogenetic analysis of double satellites on marker chromosome no. 14. 197995131
combination chemotherapy of malignant histiocytosis.three patients with malignant histiocytosis treated with combination chemotherapy are reported. induction treatment included bleomycin, adriamycin, cyclophosphamide, vincristine and prednisone (bacop). complete response was obtained in one patient who is alive and well 32 months after diagnosis. a partial response was obtained in the second patient, who is alive and well 35 months after diagnosis. the third patient died with drug-induced agranulocytosis and sepsis.200195146
tumor immunology in domestic animals. 197995155
[disopyramide in the treatment of ventricular extrasystole in chronic chagas' disease]. 200195160
surface thermodynamics of leukocyte and platelet adhesion to polymer surfaces.adhesion of leukocytes and platelets to solid substrates of different surface tensions and hence different wettability is studied from a thermodynamic point of view. a simple thermodynamic model predicts that a cellular adhesion should increase with increasing surface tension of the solid substrate if the surface tension of the medium in which the cells are suspended is lower than the surface tension of the cells. if the surface tension of the suspending medium is higher than that of the cells, ...200195170
membrane surface properties of sheep erythrocytes, an immunological reagent, after different treatments as reflected by partition in two-polymer aqueous phases.sheep erythrocytes (e) which, with or without certain treatments, are currently used as "immunological reagents" to detect cells with specific receptors (by rosette-formation) have been partitioned in two-polymer aqueous-phase systems selected so as to reflect charge-associated or lipid-related membrane surface properties. we have found that the partitioning behavior of e is not affected in these phases by reacting the cells with anti-e antibody (either igg or igm), forming ea. the additional bi ...197995174
effects of ovarian hormones on cell membranes in the rat uterus. i. freeze fracture studies of the apical membrane of the liminal epithelium.freeze fracture techniques have been used to study the apical membrane of cells of the luminal epithelium of the rat uterus under various hormonal regimes. in the ovariectomized but otherwise untreated rat, intramembranous particles (imps) occur at a density of 1395 +/- 122 per micron 2; they appeared spherical and uniformly distributed. after 3 days treatment with estrogen, no change in appearance or density was found, but 3 days of progesterone treatment produced a significant increase in imp ...197995176
[study of 4 cases of massive acute interstitial pathology of the lungs (adult respiratory distress syndrome or ards)]. 200195212
flashbacks: ventricular fibrillation. part ii. 200195229
cordis pacemakers. 200195231
aggression in humans correlates with cerebrospinal fluid amine metabolites.cerebrospinal fluid of the major central metabolites of serotonin (5ht), norepinephrine (ne), and dopamine (da)--5-hydroxyindoleacetic acid (5hiaa), 3-methoxy-4-hydroxy=phenylglycol (mhpg), and homovanillic acid (hva), respectively--were studied in a group of 26 age-similar military men with no history of major psychiatric illness, but with various personality disorders and difficulties adjusting to military life. independently scored history of aggressive behavior showed a significant negative ...200195232
dental offices as a source of controlled substances. 200195243
[psychological diagnosis problems in children between 0 and 3 years of age]. 200195256
permanent programmable pacemakers in the management of recurrent tachycardias.patient reports are presented to indicate the application of standard implanted programmable pacemakers with endocardial electrodes for long-term overdrive suppression of recurrent ventricular tachycardia, and their adaptability to non-invasively induced burts of rapid ventricular pacing to cardiovert that arrhythmia. in carefully preselected patients with bradycardia-tachycardia syndrome, this type of programmable pacemaker may also be used to convert paroxysmal supraventricular tachycardia by ...200195263
gas pocket causing pacemaker malfunction.pacemaker malfunction was attributed to the increase in impedance to current flow caused by a pocket of air separating the anodal contact plate of a unipolar generator from the overlying skin. lack of capture was noted 20 hours after implantation. the malfunction was permanently corrected by bedside aspiration of the gas with a sterile syringe.200195278
radiation from implantable nuclear pacemakers. i. dosimetry. 200195284
the development of the his bundle recording technique. 197995286
instrumentation for the follow-up of pacemade patients. telephone transmission of the electrocardiogram and self-check by the patient on pacemaker function and capture.logic circuitry has been added to an electrocardiogram telephone transmitter. it processes the electrocardiogram and permits frequent self-checks by the patient on rate, capture and sensing function of an implanted demand pulse generator system. correct function is communicated to the patient by a green light. malfunction with regard to any of these parameters produces an irreversible yellow light signaling the patient to contact his physician. the self-check is reassuring to the patient during ...200195296
permanent rapid atrial pacing to control supraventricular tachycardia.a case is reported of a patient who had continuous supraventricular tachycardia with a ventricular rate of about 170. the arrhythmia was refractory to drugs and dc countershock, and did not convert with atrial pacing. rapid atrial stimulation controlled the ventricular rate by simulating atrial fibrillation (pacing at 300-400/min), or by simulating a faster atrial tachycardia with 2:1 conduction (pacing at 205-210/min). this form of therapy was used on a permanent basis for more than five months ...200195298
nuclear-powered pacemakers: an eight-year clinical experience. 200195301
runaway cordis omni-stanicor pacemaker. 200195306
flashbacks: ventricular fibrillation part i. 200195318
[choroidal neovascularization]. 200195334
[correlation between supraventricular extrasystoles and ventricular ectopic activity: description of 1 case]. 200195336
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