954
DONIGER & SHARIEFF
Fig. 3. Ventricular tachycardia. This is an example, of an extraordinarily fast ventricular tachycardia with a heart rate of almost 300 BPM. (Courtesy of CDR Jonathan T. Fleenor, MD, San Diego, CA.)
In those patients without a pulse, or newborns and children with a heart rate less than 60 beats per minute, compressions should be initiated. Since bradycardia is often a terminal rhythm in children, it is not necessary to wait for pulseless arrest to initiate compressions. Compressions should be
Fig. 4. Supraventricular tachycardia (SVT), with concomitant right ventricular hypertrophy. This 4-year- old male was postoperative from repair of congenital heart disease (Fontan repair). He was eventually converted to normal sinus rhythm after multiple doses of adenosine. (Courtesy of Stephanie Doniger, MD, San Diego, CA.)