Heart has SA node, AV node, bundle of His, right bundle branch, interventricular septum, left bundle branch, Purkinje fibers, and ventricular myocardium.

Electrocardiography (ECG) is a technique of graphic records of heart work.

Method of the Procedure

Patient does not need any preliminary preparations before examination. The examination causes no pain. Patient lies down flat on the back on a bed. During a standard procedure an electrode is put on each extremity. Doctor puts electroconductive gel on the electrodes. 6 chest electrodes are put on the chest. After doctor has placed the electrodes ECG procedure is performed. The examination takes about a minute. Finally, the patient wipes the gel off. Doctor interprets the ECG and hands the ECG report with its description.

ECG is Recommended

· Close relatives have cardiovascular diseases –men before age 55 and women before age 65

Hypercholesterolaemia (especially high level of low-density lipoproteins, low level of high-density lipoproteins)

Smoking cigarettes


Eating too much salt




Old age

Diabetes and intolerance to glucose

Other indications are possible.

Diseases ECG can detect include:

ECGs are performed in the following diseases: