Conditions list medically reviewed by George Krucik, MD, MBA
During a heart attack, the blood supply that normally nourishes the heart with oxygen is cut off and the heart muscle begins to die. Learn more.
An abnormal heart rhythm is when your heart beats too fast, slow, or irregularly. This is also called an arrhythmia. Within the heart is a complex system of valves…
A pulmonary embolism is a blood clot that occurs in the lungs. It can damage part of the lung and other organs and decrease oxygen levels in the blood.
Cardiac tamponade is a very serious condition in which your heart can't pump enough blood to your body due to fluid buildup around your heart.
Panic disorder occurs when you live in fear of a panic attack. You may be having a panic attack when you feel sudden, overwhelming terror with no obvious cause.
Sick sinus syndrome is a general name for a group of disorders that can cause abnormal beating of the heart. Read about symptoms and treatment options.
Hypertrophic cardiomyopathy is a condition in which your heart muscle is thicker than normal. It can interfere with your heart's ability to pump blood.
Myocarditis is inflammation of the heart muscle. It is a rare condition that can be caused by any number of autoimmune diseases, viral, bacterial, or fungal infections…
Atrial fibrillation and flutter are irregular heart rhythms that occur when the upper chambers of the heart beat irregularly or too fast. Fibrillation can be sustained…
Aortic valve stenosis most often develops in older adults, but it can also affect newborns. Here's what you need to know about the causes and symptoms.
Learn about carbon monoxide poisoning and what causes it. Find information on carbon monoxide symptoms, diagnosis, treatment, and prevention.
Pulmonary valve stenosis is a rare, potentially serious cardiac condition. Read on to learn how it affects the heart and how it's treated.
Primary pulmonary hypertension is now known as pulmonary arterial hypertension (PAH). The name was changed in 1998 because it was determined to be more descriptive of…
In aortic valve disease, the valve that controls the flow of blood from your left ventricle (lower left heart chamber) to your aorta (main artery) malfunctions.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.