Search Media Items

Many factors play a role in preparing your body to fall asleep and wake up. Your body has several internal clocks, called circadian clocks. These typically follow a 24-hour repeating rhythm, called the circadian rhythm. This rhythm affects every cell, tissue, and organ in your body and how they work.

You may or may not notice atrial fibrillation. It often occurs with no signs or symptoms. If you do have symptoms, you may notice something that occurs only occasionally. Or, your symptoms may be frequent or serious.

Your doctor may recommend cardiac catheterization to find out what is causing signs or symptoms of a heart problem or to treat or repair a heart problem.

Angina happens when your heart muscle does not get enough oxygen-rich blood. Medical conditions, particularly ischemic heart disease, or lifestyle habits can cause angina. To understand the causes of angina, it helps to understand how the heart works.

Typically doctors screen for atrial fibrillation only when you have symptoms. However, your doctor may check for signs of atrial fibrillation as part of your regular medical care. Screening tests include checking your pulse or recording your heart’s electrical activity.

Your doctor will check your medical history, perform a physical exam, and do tests and procedures to diagnose cardiogenic shock. Tests are usually done after you have been admitted to a hospital for a possible heart attack or symptoms of shock. If the reason for the shock is that the heart is not pumping strongly enough, then the diagnosis is cardiogenic shock.

There are two types of aortic aneurysms: thoracic aortic aneurysms and abdominal aortic aneurysms.

Las causas de la anemia por deficiencia de hierro incluyen la pérdida de sangre, consumir muy poco hierro, problemas para absorber el hierro y ciertas afecciones.

La causa de la enfermedad isquémica del corazón depende del tipo que tenga. La enfermedad isquémica del corazón también puede tener más de una causa, incluida la acumulación de placa o cambios moleculares en los vasos sanguíneos.

Your doctor may use diagnostic tests or procedures before CABG to determine how serious your ischemic heart disease is and where the coronary arteries are narrowed. If you need CABG, talk to your doctor about how to prepare for the procedure.