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Heart attack
If an artery that carries blood to the heart muscle becomes blocked, the muscle is starved of oxygen. Some of your heart tissues die as a result. A previous heart attack is one of the more common causes for ventricular arrhythmias that require treatment with an ICD. The medical term for a heart attack is a myocardial infarction.
Hypertrophy
Enlargement of the heart that can occur in patients with heart failure.
Heart Block
a condition where the transmission of electrical discharges from the upper chambers of the heart to the lower chambers are partially or completely blocked, which results in a dysynchrony between the chambers.
Heart failure
A progressive condition that is characterized by weakness of the heart muscle that limits its ability to pump blood. This can cause many symptoms, including breathlessness, dizziness, tiredness, and the accumulation of fluid in the lungs, abdomen, and legs.