in the following notes the term digitalis is used to describe the entire group of cardiac glycosides a large number of plants contain cardiac glycosides, and these have been used by natives as arrow and ordeal poisons Squill was known to the ancient Egyptians and the Romans used it as a diuretic, heart tonic, emetic and rat poison Strophanthus was introduced by Sir Thomas Fraser in 1890 digital...

An instance of digitalis-induced double atrioventricular nodal rhythm associated with ventricular electrical alternans has been described . To the knowledge of the author, it is the first such combination reported. One atrioventricular nodal pacemaker (group A) produces non-paroxysmal atrioventricular nodal tachycardia and the other pacemaker (group B) produces atrioventricular escape rhythm wi...

Four species of the genus Pediopsoides Matsumura are recorded from Mainland China. Among them, Pediopsoides dilatus sp. nov. and Pediopsoides heterodigitatus sp. nov. are described as new, and Pediopsoides kurentsovi (Anufriev) is redescribed. One new combination, Pediopsoides aomians (Kuoh, 1981) comb. nov. (from Oncopsis) is proposed and two new synonyms are revealed, the genus Digitalis Liu ...

The effect of thyroxine on membrane bound (Na+, K+)-ATPase isolated as a microsomal fraction from rabbit heart and kidney was investigated. In the heart, thyroxine administration produced an increased Ki value (a concentration of ouabain required for half maximal inhibition of (Na+, K+)-ATPase activity) without alteration of the specific activity of cardiac (Na+, K+)-ATPase, indicating that the...

The susceptibility to the toxic arrhythmogenic effects of digitalis was studied in to normal dogs (group 1) and in 15 dogs with healed myocardial infarction (group 2) 26 ± 5 days after coronary artery ligation. The dose of ouabain required to cause stable digitalis-toxic ventricular tachycardia was 25% less in the group 2 dogs than in the group 1 control dogs (70 ± 21 versus 93 ± 16 J.tg/kg, pr...

introduction: anorexia nervosa is an eating disorder in which a person refuses to stay at even the minimum body weight considered normal for their age and height. persons with this disorder may have an intense fear of weight gain and a distorted body image. inadequate eating or excessive exercising results in severe weight loss. the exact cause of anorexia nervosa is not known, but social attit...

The interrelated effects of digitalis and various cations on cardiac rhythmicity are the subject of much recent interest. This paper presents additional data on this subject that carry important therapeutic implications. The chelating agent, disodium ethylene diamine tetra acetate (NaEDTA), has been used intravenously in 14 instances of supraventricular and ventricular arrhythmia. Digitalis had...