digitoxin and Myocarditis

Topics: Animals; Cardiomyopathies; Catecholamines; Cattle; Cobalt; Digitoxin; Disease Models, Animal; Dogs; Humans; Male; Myocarditis; Rabbits; Rats; Steroids; Virus Diseases; Vitamin B Deficiency

Topics: Cesarean Section; China; Digitalis; Female; Heart Defects, Congenital; Humans; Myocarditis; Plants, Medicinal; Plants, Toxic; Pregnancy; Pregnancy Complications, Cardiovascular; Rheumatic Heart Disease; Textile Industry

Topics: Adolescent; Child; Child, Preschool; Communicable Diseases; Digitoxin; Female; Heart Block; Humans; Male; Myocarditis

Topics: Adrenal Gland Diseases; Adult; Arrhythmias, Cardiac; Athletic Injuries; Autopsy; Cardiomegaly; Cholelithiasis; Coronary Vessel Anomalies; Coronary Vessels; Death, Sudden; Digitalis; Electrocardiography; Heart Conduction System; Heart Diseases; Humans; Male; Military Medicine; Myocarditis; Myocardium; Phytotherapy; Plants, Medicinal; Plants, Toxic; Pulmonary Edema; Quinidine; Thymus Gland

Topics: Aged; Aminophylline; Atrial Fibrillation; Autopsy; Digitalis; Diuretics; Electrocardiography; Female; Granuloma, Giant Cell; Heart Diseases; Humans; Myocarditis; Phytotherapy; Plants, Medicinal; Plants, Toxic

The electrocardiographic patterns recorded from seven patients with isorhythmic A-V dissociation fall into two distinct groups. In pattern I, the P wave fluctuates cyclically back and forth across the QRS complex. The mechanism responsible for this type of A-V synchronization represents a typical biologic feedback control system. The P-R interval is a determinant of stroke volume, which in turn influences the arterial blood pressure. The blood pressure has an inverse effect on the discharge frequency of the S-A node through the baroreceptor reflex. The S-A nodal frequency then affects the P-R interval, to close the feedback loop. In pattern II, the P wave is in a fairly constant position relative to the QRS complex. It is usually coincident with the QRS complex or appears on the ST segment or first half of the T wave. The mechanism producing synchronization in pattern II type of isorhythmic dissociation has not been established conclusively.

Topics: Adult; Aged; Atrioventricular Node; Blood Pressure; Cardiac Pacing, Artificial; Coronary Disease; Digitalis; Electrocardiography; Heart Block; Humans; Male; Middle Aged; Myocarditis

Topics: Anti-Bacterial Agents; Anticoagulants; Aortic Coarctation; Bradycardia; Chlorothiazide; Diet, Sodium-Restricted; Digitalis Glycosides; Digitoxin; Digoxin; Drug Tolerance; Electrocardiography; Endocardial Fibroelastosis; Furosemide; Heart Block; Heart Defects, Congenital; Heart Failure; Humans; Infant; Infant, Newborn; Infant, Newborn, Diseases; Lanatosides; Myocarditis; Organomercury Compounds; Oxygen Inhalation Therapy; Potassium Chloride; Pulmonary Edema; Tachycardia; Tachycardia, Paroxysmal; Transposition of Great Vessels

Topics: Angiocardiography; Cardiomegaly; Child; Coronary Vessel Anomalies; Diagnosis, Differential; Digitalis; Digoxin; Drug Therapy; Electrocardiography; Endocardial Fibroelastosis; Glycogen Storage Disease; Humans; Infant; Mumps; Myocarditis; Skin Tests

Topics: Africa; Anemia; Anemia, Sickle Cell; Child; Digitalis; Digitalis Glycosides; Fever; Heart Failure; Infant; Infant, Newborn; Infant, Premature; Kwashiorkor; Myocarditis; Pediatrics; Potassium Deficiency; Toxicology; Tropical Medicine

Topics: Digitalis; Digitalis Glycosides; Humans; Lanatosides; Myocarditis; Plant Extracts; Rheumatic Heart Disease

Topics: Digitalis; Digitalis Glycosides; Humans; Lanatosides; Myocarditis; Plant Extracts; Rheumatic Heart Disease

Topics: Cardiotonic Agents; Digitalis; Digitalis Glycosides; Heart Diseases; Myocarditis; Rheumatic Diseases; Rheumatic Heart Disease; Strophanthus