and clinical material
Premature Ventricular Contraction - correct answer ✔✔ Impulse fires from ectopic tissue in
ventricle before SA fires
Impulse can be unifocal - correct answer ✔✔ Originate from one place
Impulse can be multifocal - correct answer ✔✔ Originate from several irritable ventricle sites
Signs and Symptoms of Premature Ventricular Contraction - correct answer ✔✔ Asymptomatic
if infrequent
Palpitations
Fatigue and dizziness
Irregular heart rhythm
Etiology of Premature Ventricular Contraction - correct answer ✔✔ Caffeine
Alcohol
Hypokalemia
Cardiomyopathy-heart muscle disease
Cardiac Ischemia-CAD
Myocardial Infarction
Treatment for Premature Ventricular Contraction - correct answer ✔✔ None if infrequent or
asymptomatic
Treat cause
Antiarrhythmics