concept photo treatment of cardiovascular disease arrhythmias cardiac conduction system, recovery and relief of life-threatening c

ampule antiarrhythmic arrhythmia attack cardiac cardiovascular care concept condition conduction defibrillation detection determine diagnosis disease doctor drugs dysrhythmia ecg electrocardiogram failure fibrillation health heart hospital illness irregular life management medication medicine murmur palpitation pathology pharmaceutical photo prevention problem reanimation recovery relief revitalization rhythm stethoscope strip system tachycardia threatening treatment ventricular vial