Archives

Tendons that connect the cardiac valves to the papillary muscles to prevent valvular collapse. The valves are composed of similar components: leaflets; annulus – a Read More

Refers to a physiological response that involves the heart rate: note that a positive chronotrope increases the heart rate. The autonomic nervous system has dramatic Read More

Branches from the left main artery and wraps the left ventricle travelling between the left ventricle and the left atria along the epicardial surface of Read More

Refers to the period between two sinus beats with a premature complex in between. If the period in between the QRS complexes is twice the Read More

A cardiac rhythm that occurs when the junction (or possibly bilateral bundle branches) does not conduct the impulse from the atria to the ventricles; a Read More

A collection of waveforms (i.e. QRS complex and the ECG complex). 1. Six Second ECG Guidebook (2012), T Barill, p. 194 Read More

The ability of a cell to receive and transmit an electrical impulse. 1. Six Second ECG Guidebook (2012), T Barill, p. 194 Read More

May occur from an overabundance of preload, high afterload and/or a damaged left ventricle; the overall effect is a backup of blood within the lung Read More

Connective tissue in the heart provides structure, strength and protection to ensure efficient and effective electrical conduction and mechanical function. Connective tissue in the heart Read More

Contiguous leads in a 12-Lead ECG refer to a group of leads that are sequentially connected on the body surface, with a common view of Read More