BRADYCARDIA

n. a condition which manifests as heartbeat slower than normal. A slow heart rate usually reads at below 60 beats per minute, and symptoms...

BRADYRHYTHMIA

n. a disturbance in the heart characterized by abnormal slowness in rhythm. It is often diagnosed as being due to the following possible causes:...

CARDIAC INDEX

n. a vasodynamic measure of cardiac output, meaning the volume or fraction of blood which the left ventricle of the heart ejects into systemic...

CARDIAC MUSCLE

n. a specialized type of muscle found in the heart. It is composed of involuntary, striated muscles with branching fibers which interconnect with each...

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