Cardiology is involved in the diagnosis, treatment and prevention of the following diseases:
heart defects (congenital and acquired);
-HDI (coronary heart disease);
angina pectoris;
carditis (endocarditis, pericarditis, etc.);
heart failure of various etiologies;
arrhythmias: bradycardia, tachycardia, incomplete heart block;
-hypertonic disease;
thrombosis and thrombophlebitis;
Infarction and pre-infarction conditions;
- aneurysms (i.e. abnormal protrusion and thinning of the walls) of the aorta or other arteries.

Over the years, the prevention of cardiovascular diseases, its strategies and patterns in various clinical situations is becoming increasingly important. The introduction of effective treatment and prevention measures in cardiology over the past 20 years has made it possible to reduce mortality from cardiovascular diseases by 50%.