Dysrhythmias are defined as:*1 pointa) Normal variations in heart rateb) Abnormal heart rhythmsc) Slow but regular heart rhythmsd) Fast but regular heart rhythms

Ventricular fibrillation is a life-threatening dysrhythmia characterized by:*1 pointa) Fast and regular ventricular contractionsb) Chaotic, uncoordinated ventricular contractionsc) Slow ventricular contractionsd) Absence of ventricular contractions

What is an arrhythmia?Know the different types of arrhythmias and their mechanisms

Irregular heartbeat or abnormal cardiac rhythm is referred to as:Group of answer choicesBradycardiaTachycardiaMurmurArrhythmia

Which of the following characteristics describe cardiac muscles?*1 pointStatic, medium, & involuntaryIrregular, variable, & voluntaryRhythmic, slow, & involuntaryExplosive, slow, & voluntary

Tachycardia, bradycardia and fibrillation are all examples of cardiac ______.Multiple choice question.hypertensionvalve prolapsearrhythmiasbaroreflexes