Heart Health Medical Reference
Leaky Heart Valve
- Aortic Valve: What to Know
Find out what you need to know about your aortic valve — where it's located, what it does, and how it works. Learn about the symptoms, causes, and treatments for aortic valve conditions.
- Vena Cava: What to Know
Find out what you need to know about the vena cava. Learn about these important blood vessels' location, functions, and disorders.
- Femoral Artery: What to Know
Find out what you need to know about the femoral artery, including associated conditions, its function, and how it may affect your health.
- Brachial Artery: What to Know
Find out what you need to know about the brachial artery, as well as blood supply to the arm, forearm, and hand. Learn about the location of this artery and how to keep it safe.
- What’s the Difference Between Arteries, Veins, and Capillaries?
Find out the differences between arteries, veins, and capillaries and the role they play in your body.
- What Is Pneumopericardium?
Pneumopericardium is when you have gas or air in the sac around your heart. Learn about the causes, symptoms, and treatment options for this condition today.
- The Difference Between Arteries and Veins
Find out the differences between arteries and veins and discover the roles of each.
- What Is Heart Rate Variability?
Heart rate variability is the time between each heartbeat. Find out what affects your HRV, and the importance of tracking your HRV.
- What Is Cardiac Output?
Cardiac output is defined as the amount of blood your heart pumps. Learn about the normal output rate, how it's measured, and causes of low cardiac output.
- Ejection Fraction
Ejection fraction (EF) refers to the percentage of blood being pumped out of your heart’s lower chambers. If your EF is low, you could have heart failure. Here’s what you can do.
- What Is a Myocardial Contusion?
Myocardial contusion is a bruise to the heart muscle. Learn about the causes, symptoms, and treatment options for this condition today.
- Orthostatic Hypotension: What to Know
Do you sometimes get dizzy when you stand up? That could be orthostatic hypotension.
- Leaky Heart Valve Surgery
If you have a leaky heart valve, you may have surgery to repair or replace it. Find out what to expect.
- Pacemaker or ICD: Which Do I Need?
Learn about two devices -- an ICD and pacemaker -- that can help you keep your heart beating correctly.
- Types of Dextrocardia
Learn more about dextrocardia and its different types, symptoms, and effects on health.
- Heart Health Tips
Learn about the conditions that affect your heart and the habits that can help prevent or manage them.
- What Is the Location of the Popliteal Pulse?
The location of the popliteal pulse is behind your knee. Learn more about what causes it, what to expect, and more.
- 9 Top Tips for Your Blood Pressure
Find out how to keep your numbers in check
- Mitral Valve Prolapse
WebMD explains the causes, symptoms, and treatments for mitral valve prolapse.
- Astragalus Root: Heart Benefits and Side Effects
WebMD looks at the herb astragalus root and whether or not it offers any specific heart benefits.
- Arginine: Heart Benefits and Side Effects
WebMD examines the use of arginine (L-arginine) to improve heart health. Find out where it comes from, if supplementation works, and its possible side effects.
- How to Boost Your 'Good' Cholesterol
They call HDL cholesterol your "good" cholesterol for a reason. Gather some tips for increasing your level of HDL cholesterol and boosting heart health.
- Low Blood Pressure (Hypotension): Symptoms, Causes, and Treatment
Learn more about the types and causes of low blood pressure, or hypotension, from the experts at WebMD.