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Ventricular fibrillation, a type of arrhythmia, causes most sudden cardiac arrests. Other problems with the heart's electrical system, including diseases or conditions that can cause the electrical problems—such as coronary heart disease, physical stress, certain inherited disorders, and structural changes in the heart—also can lead to sudden cardiac arrest.

Treatment for iron-deficiency anemia will depend on its cause and severity. Treatments may include iron supplements, red blood cell transfusions, changes in your eating pattern, or procedures like endoscopy to stop bleeding.

Mild cases of myocarditis and pericarditis may go away without treatment. To treat heart inflammation, your doctor may recommend medicines to fight the infection or control the inflammation, and possibly surgery for certain cases.

Having a stent placed is a minimally invasive procedure, meaning it is not a major surgery. Stents for coronary arteries and carotid arteries are placed in similar ways. A stent graft is placed to treat an aneurysm in a procedure called aortic aneurysm repair. Airway stents are placed in a procedure that helps open airways in the lung. For most stents, you will be given medicine to make you sleep during the procedure. The stent procedure may be planned ahead of time or it may be performed in an emergency situation.

Many people who have conduction disorders, such as first-degree AV block, may have no obvious signs or symptoms. Others may have signs and symptoms that occur in specific situations, such as when you experience physical or emotional stress or when you sleep. Conduction disorders can lead to life-threatening arrhythmias if undiagnosed or untreated.

Your doctor will diagnose peripheral artery disease based on your medical and family histories, a physical exam, and results from one or more tests: ankle-brachial index, Doppler ultrasound, treadmill test, magnetic resonance angiogram (MRA), arteriogram, and blood tests.

The first step toward heart health is understanding your risk of heart disease. Your risk depends on many factors, some of which are changeable and others that are not. Risk factors are conditions or habits that make a person more likely to develop a disease. These risk factors may be different for each person.

Heart valve disease occurs if one or more of your heart valves don't work well. The heart has four valves—the tricuspid, pulmonary, mitral, and aortic valves—that make sure blood flows in the right direction through your heart’s four chambers and to the rest of your body.

Age, race, gender, certain medical conditions—high blood pressure, diabetes, brain aneurysms, and heart diseases—smoking, and family history can raise your risk for a stroke.

La enfermedad coronaria es una enfermedad en la cual una sustancia cerosa llamada placa se acumula dentro de las arterias coronarias a través de muchos años. Estas arterias suministran sangre rica en oxígeno al músculo cardíaco.