Conditions list medically reviewed by George Krucik, MD, MBA
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…
Hyperventilation is a condition in which you start to breathe very fast. Healthy breathing occurs with a healthy balance between breathing in oxygen and breathing out…
Learn more about anxiety with this overview of anxiety disorders.
During a regular medical checkup, your doctor will use a stethoscope to listen to your heartbeat to determine whether your heart is beating properly and has a normal…
People with paroxysmal supraventricular tachycardia experience a faster-than-normal heart rate. Learn more about the symptoms, treatments, and outlook.
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…
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.
Ventricular tachycardia is a very fast heart rhythm that begins in the ventricles. Learn about ventricular tachycardia symptoms, causes, and diagnosis.
Atrial flutter is a type of abnormal heart rate. It occurs when the upper chambers of your heart beat too fast. Learn about symptoms and risk factors.
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.
Congestive cardiomyopathy, also known as dilated cardiomyopathy, is characterized by a weak, enlarged primary pumping chamber in the heart. This could be caused by…
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.
High blood pressure is often associated with few or no symptoms. Many people have it for years without knowing it.
Cardiomyopathy is a disease in which your heart muscle weakens and has difficulty pumping blood. Read about its causes, risk factors, treatment, and more.
Hypertensive heart disease refers to heart conditions caused by high blood pressure. Possible symptoms of acute hypertension include sweating and chills.
People who have GAD worry uncontrollably about common occurrences and situations. GAD is different from normal feelings of anxiousness.
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.
A ventricular septal defect (VSD) is a hole between your heart's lower chambers, or ventricles. Read more about this condition.
Septic shock is a complication of an infection. It can cause inflammation and could become life-threatening.
Mitral valve stenosis, also known as mitral stenosis, is when the mitral valve opening is narrowed. This means that not enough blood can flow through it.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.