- a condition in which the heart fatally ceases to function.
- a condition in which the heart fails to pump adequate amounts of blood to the tissues, resulting in accumulation of blood returning to the heart from the veins, and often accompanied by distension of the ventricles, edema, and shortness of breath.
- a condition in which the heart is unable to pump an adequate amount of blood to the tissues, usually resulting in breathlessness, swollen ankles, etc
- sudden and permanent cessation of the heartbeat, resulting in death
