Conditions list medically reviewed by George Krucik, MD, MBA
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…
People with paroxysmal supraventricular tachycardia experience a faster-than-normal heart rate. Learn more about the symptoms, treatments, and outlook.
The thyroid gland produces a hormone that controls how your cells use energy. Hyperthyroidism occurs when the body produces excessive amounts.
High blood pressure is often associated with few or no symptoms. Many people have it for years without knowing it.
In mitral valve prolapse the flaps of the heart's mitral valve do not close correctly, which can make blood leak from one chamber into another. Lifelong heart…
Hypertensive heart disease refers to heart conditions caused by high blood pressure. Possible symptoms of acute hypertension include sweating and chills.
A drug allergy is an allergic reaction to a medication. Find out how to know if you have one and what to do about it.
Hypoglycemia, or low blood sugar, is a potentially dangerous condition that's most common in people with diabetes. Learn what causes it and how to prevent it.
A ventricular septal defect (VSD) is a hole between your heart's lower chambers, or ventricles. Read more about this condition.
Digitalis toxicity occurs when you take too much digitalis, a medication used to treat heart conditions.
Congestive cardiomyopathy, also known as dilated cardiomyopathy, is characterized by a weak, enlarged primary pumping chamber in the heart. This could be caused by…
Ischemic cardiomyopathy (IC) is a condition that occurs when the heart muscle is weakened. It's usually caused by heart attack or coronary artery disease.
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.
Septic shock is a complication of an infection. It can cause inflammation and could become life-threatening.
Thyroid storm is a life-threatening condition that results from undertreated or untreated hyperthyroidism. Persistent sweating is one possible sign of thyroid storm.
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…
Alcoholic cardiomyopathy is a form of heart disease caused by alcohol abuse. Learn about its symptoms, causes, diagnosis, and treatment.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.