Phenytoin in vt
The patient was gravely ill with cardiographic findings of typical ventricular tachycardia. Improved case studies reflect more realistic practice issues in decision-making. The book is organized by disorder rather than drug class and includes algorithms and case studies that illustrate critical thinking Most cases exhibit polymorphism, but the axis changes may not have regularity.
Related Content Load related web page information. Depletion usually results from diuretic therapy, primary or secondary hyperaldosteronism, diabetic ketoacidosis, severe diarrhea if associated with vomitingor inadequate replacement during prolonged parenteral nutrition.
The underlying etiology and management of torsade are, in general, quite different from those of garden-variety VT. Women have more QT prolongation secondary to drug therapy. Following the cardioversion, the IV infusion of lidocane is continued to prevent recurrences. This Second Edition has new chapters on oncologic disorders and complementary and alternative medicines.
Sustained VT in convalescent phase of acute myocardial infarction. The ventricular rate can range from beats per minute bpm to bpm.
Procainamide was given intravenously. Hyperkalemia; renal failure; conditions in which potassium is retained; oliguria; azotemia; crush syndrome; severe hemolytic reactions; anuria; adrenocortical insufficiency. Neurologic and Psychiatric Disorders.
But patients with no organic disease may not be at increased risk. Articles by Torosoff, M. Volume Issue 3 - 5 August Responses are now closed for this article.
If there are repeated recurrences after cardioversion, the possibility of proarrhythmia should be entertained and temporary pacing fig.
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Decreases Neuron Excitability thru Increasing Sodium efflux from neurons. Treat hypokalemia if it is the precipitating factor and administer magnesium sulfate in a dose of g intravenously IV initially.
Forgot your user name or password? The inherited form of LQTS has as many as six different responsible genotypes with several phenotypes, and can predispose to a special kind of VT called "torsade de pointes". Arch Intern Med ;