Abnormal heart rhythms, also known as arrhythmias, means that the heart is beating irregularity, explains WebMD. Heart arrhythmias are caused by different diseases and conditions, from heart disease to electrolyte imbala... More »

Normal sinus rhythms range from 43 to 102 beats per minute in men, 47 to 103 beats per minute in women and 110 to 150 beats per minute in children, states UpToDate. Sinus rhythm speeds up with physical activity and slows... More »

The shock from an automated external defibrillator addresses two kinds of abnormal heart rhythms, ventricular fibrillation and ventricular tachycardia. In ventricular fibrillation, the heart's ventricles, or lower chambe... More »

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Heart disease can refer to a wide variety of chronic conditions, including coronary artery disease, arrhythmias and congenital heart defects, according to Mayo Clinic. Cardiovascular disease usually includes heart condit... More »

CardioNet provides real-time, wireless telemetry monitoring of patients experiencing infrequent yet potentially life-threatening heart arrhythmias. Holter monitors, usually worn for 24 to 48 hours, may not be able to rec... More »

Complications of heart catheterization include bleeding at the puncture point, abnormal heart rhythms, blood vessel perforation and heart attack. Other complications include blood clots, infection, stroke and air embolis... More »

The LifeVest wearable defibrillator treats sudden cardiac arrest by monitoring a patient for life-threatening abnormal heart rhythms and delivering a treatment shock if necessary, explains ZOLL Medical Corporation. The L... More »