Mindblown: a blog about philosophy.

A device used to administer electrical shocks to the heart through electrodes placed on the chest wall or on the surface of the heart itself. It is used in the emergency management of cardiac dysrhythmias such as ventricular or supraventricular tachycardias. Changing the dysrhythmia to normal sinus rhythm is called cardioversion. A contrivance designed to…

Sudden loss of blood flow to the brain and other organs, causing altered mental status and hypotension. This may be caused by conditions such as anaphylaxis, cardiogenic shock, vasovagal syncope, or postural hypotension.  

An instrument for excising part of a valve, especially the mitral valve.  

Heart disease due to hyperthyroidism.  

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.