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What is cardiology?

What is cardiology?


Cardiology is a medical specialty and a branch of internal medicine concerned with disorders of the heart. It deals with the diagnosis and treatment of such conditions as congenital heart defects, coronary artery disease, electrophysiology, heart failure and valvular heart disease. Subspecialties of the cardiology field include cardiac electrophysiology, echocardiography, interventional cardiology and nuclear.

what is cardiology

Specilized Qualification


All cardiologists study the disorders of the heart, but the study of adult and child heart disorders are through different training pathways. Therefore, an adult cardiologist (often simply called "cardiologist") is inadequately trained to take care of children, and pediatric cardiologists are not trained to take care of adult heart disease. The surgical aspects are not included in cardiology and are in the domain of cardiothoracic surgery. For example, coronary artery bypass surgery (CABG), cardiopulmonary bypass and valve replacement are surgical procedures performed by surgeons, not cardiologists. However the insertion of stents and pacemakers is performed by cardiologists.


Nature of the work

Cardiologists work with adult patients - pediatric cardiology is a separate specialty.

Cardiologists manage patients with conditions such as:

  • angina (chest pain caused by narrowing of the coronary arteries)
  • arrhythmias, eg atrial fibrillation (irregular heartbeat)
  • heart murmurs due to heart valve disease
  • cardiomyopathy (disease of the heart muscle) with heart failure including pulmonary
  • oedema (accumulation of fluid)
  • coronary artery thrombosis or myocardial infarction (heart attack) often associated with high blood pressure (hypertension) and high cholesterol
  • diseases of the arteries (atherosclerosis, arteritis, atheroma)
  • hole in the heart and other forms of congenital heart disease within adult lifeincluding transition from paediatric care and shared care of pregnant women with heart disease


Common procedures and interventions


Cardiologists work with adult patients - paediatric cardiology is a separate specialty.

Cardiologists manage patients with conditions such as:


  • angina (chest pain caused by narrowing of the coronary arteries)
  • arrhythmias, eg atrial fibrillation (irregular heartbeat)
  • heart murmurs due to heart valve disease
  • cardiomyopathy (disease of the heart muscle) with heart failure including pulmonary
  • oedema (accumulation of fluid)
  • coronary artery thrombosis or myocardial infarction (heart attack) often associated with high blood pressure (hypertension) and high cholesterol
  • diseases of the arteries (atherosclerosis, arteritis, atheroma)
  • hole in the heart and other forms of congenital heart disease within adult life including transition from paediatric care and shared care of pregnant women with heart disease
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