An absence of electromechanical activity within the heart. Appears on the electrocardiogram (ECG, EKG) monitor as a straight or 'flat line'. This rhythm cannot be shocked by a defibrillator.
(Cardiac Arrest, Ventricular Standstill): The absence of a heartbeat.
Cardiac standstill or arrest; absence of a heartbeat .
Absence of ventricular contractions of the heart.
A period during which the heart does not contract. recorded on a tracing as a straight line.
Period in which the heart does not contract; standstill.
Absence of electrical activity in the heart.
Complete absence of heart electrical and pumping activity
Asystole is when the heart does not beat.
In medicine, asystole is a state of no cardiac electrical activity, hence no contractions of the myocardium and no cardiac output or blood flow. Asystole is one of the conditions required for a medical practitioner to certify death.