Category: C

The relation of the overall diameter of the heart to the widest part of the inside of the thoracic cavity. Usually the heart’s diameter is half or less than half that of the thoracic cavity.  

The treatment of cardiac diseases.  

An instrument for measuring the heart rate over a long period.  

A stronger action on receptors in the heart than on those in the lungs; said of beta-adrenergic blocking agents that selectively block beta-1 receptors and thus do not cause bronchospasm.  

Hardening of the cardiac tissues and arteries. The stiffening of the heart muscle caused by the accumulation of fibrous tissue.  

A device for recording the motion of the heart and lungs.  

An operation on the cardiac sphincter of the stomach to relieve cardiospasm.  

An abnormal preoccupation with or fear of heart disease.  

Inflammation of the myocardium and pericardium.    

Functional neurosis with cardiac symptoms. A neurological condition marked by palpitations.