injection into heart or cardiovascular disease treatment concept photo. doctor holds in his hand, dressed in glove, syringe with m

adrenaline arrest arrhythmia attack background card cardiac cardiology cardiovascular care concept critical cure disease doctor drug emergency epinephrine equipment failure figure glove hand health heart hold hospital infarction injection intracardiac medical medication medicine model myocardial paramedic personal photo practice preparing procedure reanimation red risk science shape surgery syringe treatment white