What causes dizziness and palpitations? 18 possible conditions

Viewing 18 of 18 results

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

1

Abnormal Heart Rhythms

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

An abnormal heart rhythm (arrhythmia) is a change in the heart's beating pattern. There are many different types with different causes and effects. Possible symptoms are feeling faint, chest pain, and sweating.

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2

Hyperventilation

Hyperventilation happens when you suddenly start breathing very quickly. Exhaling more than you inhale causes low carbon dioxide levels, which leads to lightheadedness and tingling in the fingers.

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3

High Blood Pressure Overview

High blood pressure (hypertension) increases your risk for heart attack, stroke, coronary heart disease, and other serious health problems. Left untreated, high blood pressure can damage blood vessels and vital organs.

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4

Low Blood Sugar (Hypoglycemia)

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

Also known as hypoglycemia, low blood sugar can be a dangerous condition. Hypoglycemia is rare in people who are not suffering from diabetes, the chronic disease that affects the body's ability to regulate blood sugar...

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5

Panic Disorder

Panic disorder is a condition chararcterized by persistent anxiety and recurrent panic attacks. Sweating or chills are possible signs of a panic attack.

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6

Ventricular Tachycardia

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

Ventricular tachycardia (VT) is a very fast heartbeat caused by a malfunction of the heart's pacing mechanism. VT can occur with or without heart disease. Symptoms include fainting, dizziness, and more.

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7

Paroxysmal Supraventricular Tachycardia (PSVT)

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

Paroxysmal supraventricular tachycardia (PSVT) is a faster-than-normal heart rate. It can last from a few minutes to several hours. PSVT is a fairly common type of (arrhythmia) that can occur in a person of any age.

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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

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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10

Heart Murmurs and Other Sounds

A murmur is a blowing, whooshing, or rasping sound that occurs during a heartbeat. It may be an early indicator of a serious heart condition.

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11

Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy (HCM) occurs when the heart muscle (myocardium) becomes thicker than normal. This interferes with your heart's ability to pump blood. Possible symptoms are dizziness, chest pain, and more.

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12

Sick Sinus Syndrome

Sick sinus syndrome (SSS) is a general name for a group of disorders caused by a malfunctioning sinus node. The sinus node acts as a pacemaker inside the heart. Sinus rhythm (the normal beating of the heart) i...

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13

Post Traumatic Stress Disorder (PTSD)

Post-traumatic stress disorder (PTSD) is an anxiety disorder that occurs after experiencing or witnessing a traumatic event. PTSD can cause disruptive symptoms of panic, increased arousal, and mental/emotional problems.

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14

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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15

Multifocal Atrial Tachycardia and Your Heart

In multifocal atrial tachycardia (MAT), the upper heart chambers send electrical signals through too many pathways to the lower chambers, causing the heart beats much faster than normal. This can lead to rapid pulse an...

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16

The Catastrophy of Cardiac Tamponade

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

Cardiac tamponade is a serious medical condition in which fluids fill the space between the sac around the heart and the heart muscle, creating pressure. Symptoms include anxiety, short breath, fainting, and more.

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17

Agoraphobia

Agoraphobia is an anxiety disorder that causes people to avoid situations that might cause them to feel trapped, helpless, embarrassed, or scared. It's more common in women than it is in men.

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18

Agoraphobia With Panic Attacks

A panic attack is a feeling of sudden fear that does not have a reasonable cause. This causes symptoms such as a fast heartbeat and chest pain. If you have multiple panic attacks in different settings, you are said t...

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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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