Heart Palpitations: Causes, Diagnosis, and Treatments
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What causes palpitations? 46 possible conditions

A heart palpitation is the sensation that your heart has skipped a beat or added an extra beat. It may feel like your heart is racing, pounding, or fluttering. You may become overly aware of your heartbeat. This sensation is sometimes also felt in the neck,... Read more

See a list of possible causes in order from the most common to the least.

1

Hyperventilation

Hyperventilation happens when you suddenly start breathing very quickly. Exhaling more than you inhale causes low carbon dioxide levels.

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2

Abnormal Heart Rhythms

This condition is considered a medical emergency. Urgent care may be required.

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, nodes, and chambers that control how and when th...

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3

Hyperthyroidism

The thyroid gland produces a hormone that controls how your cells use energy. Hyperthyroidism occurs when the body produces excessive amounts.

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4

Heart Murmurs and Other Sounds

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 rhythm. This gives your doctor information concernin...

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5

Paroxysmal Supraventricular Tachycardia (PSVT)

This condition is considered a medical emergency. Urgent care may be required.

People with paroxysmal supraventricular tachycardia (PVST) experience a faster-than-normal heart rate. Learn more about the symptoms and risk factors.

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6

Atrial Fibrillation and Flutter

Atrial fibrillation and atrial flutter are irregular heart rhythms that occur when the upper chambers of your heart (the atria) beat too fast.Atrial fibrillation can be sustained or can occur in bursts. It creates a...

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7

Ventricular Tachycardia

This condition is considered a medical emergency. Urgent care may be required.

Ventricular tachycardia is a very fast heart rhythm that begins in the ventricles. Learn about ventricular tachycardia symptoms, causes, and diagnosis.

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8

Atrial Flutter

Atrial flutter (AFL) is a type of abnormal heart rate, or arrhythmia. It occurs when the upper chambers of your heart (the atria) beat too fast. When the top of your heart (atria) beats faster than the botto...

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9

Hypertrophic Cardiomyopathy

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.

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10

Sick Sinus Syndrome

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.

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11

High Blood Pressure Overview

High blood pressure (hypertension) increases your risk for heart attack, stroke, coronary heart disease, and other serious health problems.

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12

Cardiomyopathy

Cardiomyopathy is a progressive disease of the heart muscle. Learn about the types, symptoms, treatment, and prognosis of this disease.

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13

Aortic Valve Disease

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.

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14

Post Traumatic Stress Disorder (PTSD)

PTSD can affect anyone who has undergone a traumatic event. Read more on how to cope with it.

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15

Mitral Valve Prolapse

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 abnormalities likely contribute to this condition.

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16

Anxiety

What is anxiety? Anxiety often manifests itself as an apprehension about daily life. Learn the basics with this overview of the types of anxiety disorders.

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17

Panic Disorder

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.

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18

Generalized Anxiety Disorder

People who suffer from generalized anxiety disorder, or GAD, worry uncontrollably about common occurrences and situations. The condition may also be called chronic anxiety neurosis.GAD is different than normal feeling...

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19

Drug Allergy Overview

This condition is considered a medical emergency. Urgent care may be required.

A drug allergy is an allergic reaction to a medication. Your immune system identifies the drug as foreign and acts to eliminate it from your body.

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20

Hypertensive Heart Disease

Hypertensive heart disease refers to heart conditions caused by high blood pressure. Possible signs of acute hypertension include sweating and chills.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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