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About 220 results

Thrombosis: Types, Causes, Sy
https://my.clevelandclinic.org/health/diseases/22242-thrombosis

Dec 23rd, 2022 - Overview How thrombosis can lead to a blocked blood vessel. What is thrombosis? Thrombosis is a serious condition where a clot forms inside a blood vessel (an artery or vein) in your body or sometimes inside of your heart. This is dangerous because clots that form inside blood vessels can block blood flow. They can also break free and travel elsewhere in your body, and if a clot gets stuck in a...

Heart arrhythmia - Symptoms and causes - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/heart-arrhythmia/symptoms-causes/syc-20350668

Apr 30th, 2022 - Overview Typical heartbeat Open pop-up dialog box Close Typical heartbeat Typical heartbeat In a typical heart rhythm, a tiny cluster of cells at the sinus node sends out an electrical signal. The signal then travels through the atria to the atrioventricular (AV) node and into the ventricles, causing them to contract and pump blood. A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat. ...

Tachycardia - Symptoms and causes - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/tachycardia/symptoms-causes/syc-20355127

Apr 30th, 2022 - Overview Tachycardia heartbeat Open pop-up dialog box Close Tachycardia heartbeat Tachycardia heartbeat In tachycardia, an irregular electrical signal (impulse) starting in the upper or lower chambers of the heart causes the heart to beat faster. Tachycardia (tak-ih-KAHR-dee-uh) is the medical term for a heart rate over 100 beats a minute. Many types of irregular heart rhythms (arrhythmias) can...

WPW syndrome: Rare cause of sudden cardiac death in children - Symptoms and causes - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/wolff-parkinson-white-syndrome/symptoms-causes/syc-20354626

Apr 30th, 2022 - Overview Wolff-Parkinson-White (WPW) syndrome Open pop-up dialog box Close Wolff-Parkinson-White (WPW) syndrome Wolff-Parkinson-White (WPW) syndrome In Wolff-Parkinson-White (WPW) syndrome, an extra electrical pathway between your heart's upper chambers and lower chambers causes a rapid heartbeat. In Wolff-Parkinson-White (WPW) syndrome, an extra signaling pathway between the heart's upper and ...

Arrhythmia: Types, Symptoms, Causes, Diag
https://my.clevelandclinic.org/health/diseases/16749-arrhythmia

Mar 22nd, 2022 - Overview What is an arrhythmia? An arrhythmia (also called dysrhythmia) is an irregular or abnormal heartbeat. What are the types of arrhythmias? Supraventricular arrhythmias: Arrhythmias that begin in the atria (the heart’s upper chambers). "Supra” means above. “Ventricular” refers to the lower chambers of the heart or ventricles. Ventricular arrhythmias: Arrhythmias that begin in the ventricl...

Tachycardia: Causes, Symp
https://my.clevelandclinic.org/health/diseases/22108-tachycardia

Nov 23rd, 2021 - Overview An EKG with more than 100 beats per minute. What is tachycardia? When you have tachycardia, your heart beats faster than it should for a few seconds to a few hours. Normally, your heart rate is 60 to 100 beats per minute when you’re not active. When your heart beats more than 100 times a minute, that’s tachycardia. Because your heart beats too often, it doesn’t have the time it needs t...

Atrial fibrillation - Diagnosis and treatment - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/atrial-fibrillation/diagnosis-treatment/drc-20350630

Oct 19th, 2021 - Diagnosis Some people are unaware that they have atrial fibrillation (A-fib). A-fib may be detected when a doctor is listening to the heart with a stethoscope during a physical exam for other reasons. A doctor may order several tests to diagnose A-fib or exclude other conditions that can cause similar symptoms. Tests may include: Electrocardiogram (ECG or EKG). This quick and painless test meas...

Atrial fibrillation - Care at Mayo Clinic - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/atrial-fibrillation/care-at-mayo-clinic/mac-20350633

Oct 19th, 2021 - Atrial fibrillation care at Mayo Clinic Mayo Clinic doctors trained in evaluating and treating cardiovascular medicine (cardiologists), cardiovascular surgery (cardiovascular surgeons) and other specialists work together to evaluate and treat people with atrial fibrillation and other heart rhythm conditions. Your Mayo Clinic care team. Mayo doctors get to know you and your concerns completely, ...

Atrial fibrillation - Symptoms and causes - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/atrial-fibrillation/symptoms-causes/syc-20350624

Oct 19th, 2021 - Overview Atrial fibrillation Open pop-up dialog box Close Atrial fibrillation Atrial fibrillation In a typical heart, a tiny cluster of cells at the sinus node sends out an electrical signal. The signal then travels through the atria to the atrioventricular (AV) node and passes into the ventricles, causing them to contract and pump out blood. In atrial fibrillation, electrical signals fire from...

Sick Sinus Syndrome: Symptoms, Cau
https://my.clevelandclinic.org/health/diseases/21789-sick-sinus-syndrome

Sep 23rd, 2021 - Overview What is sick sinus syndrome? Sick sinus syndrome is the name for heart rhythm problems that happen because your sinoatrial node (or sinus node) isn’t working right. The sinus node acts like a pacemaker that kicks off each heartbeat. Also called the SA node, the sinus node is like a drummer starting and keeping the beat for others to follow. Musicians listen to the drummer so they know ...

Ventricular Arrhythmia: Causes, Sy
https://my.clevelandclinic.org/health/diseases/21854-ventricular-arrhythmia

Sep 21st, 2021 - Overview EKG showing ventricular arrhythmia. What is a ventricular arrhythmia? A ventricular arrhythmia is an abnormal heart rhythm that affects just the lower chambers of your heart. Those lower chambers are what drive the heart’s ability to pump blood throughout the body. While some of them are harmless and don’t usually cause symptoms, some of these rhythm problems can have serious — or even...

Hypertensive Heart Disease: Symptoms,
https://my.clevelandclinic.org/health/diseases/21840-hypertensive-heart-disease

Sep 21st, 2021 - Overview What is hypertensive heart disease? Hypertensive heart disease is a long-term condition that develops over many years in people who have high blood pressure. It’s a group of medical problems ― like heart failure and conduction arrhythmias ― that can happen when you don’t control your high blood pressure (hypertension). Chronic high blood pressure (higher than 120/80 mmHg) causes hypert...

V-Fib: What Is It, Causes, Sy
https://my.clevelandclinic.org/health/diseases/21878-ventricular-fibrillation

Sep 20th, 2021 - Overview Electrocardiogram from a patient with ventricular fibrillation. What is ventricular fibrillation? Ventricular fibrillation (sometimes called v-fib for short) is an arrhythmia, a malfunction of the heart’s normal pumping sequence. It is the most common deadly arrhythmia. When it happens, the lower chambers of your heart quiver or twitch instead of completely expanding and squeezing. Thi...

Cardiac Arrest: What Is It, Symptoms,
https://my.clevelandclinic.org/health/diseases/21736-cardiac-arrest

Aug 16th, 2021 - Overview What is cardiac arrest? This condition occurs when your heart stops beating or beats so fast that it stops pumping blood. During cardiac arrest, people typically collapse and become unresponsive. Symptoms come on suddenly, which is why it’s also referred to as sudden cardiac arrest. The condition can become fatal if you don’t receive immediate treatment. If you notice the signs of card...

Ventricular fibrillation - Symptoms and causes - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/ventricular-fibrillation/symptoms-causes/syc-20364523

Jun 2nd, 2021 - Overview Ventricular fibrillation is a type of abnormal heart rhythm (arrhythmia). During ventricular fibrillation, disorganized heart signals cause the lower heart chambers (ventricles) to twitch (quiver) uselessly. As a result, the heart doesn't pump blood to the rest of the body. Ventricular fibrillation is an emergency that requires immediate medical attention. It's the most frequent cause ...

Ventricular fibrillation - Diagnosis and treatment - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/ventricular-fibrillation/diagnosis-treatment/syc-20364524

Jun 2nd, 2021 - Diagnosis Ventricular fibrillation is always diagnosed in an emergency situation. A pulse check will reveal no pulse if sudden cardiac death occurred. Tests to diagnose and determine the cause of ventricular fibrillation include: Electrocardiogram (ECG or EKG). This quick and painless test measures the electrical activity of your heart. Sticky patches (electrodes) are placed on your chest and s...

Atrial flutter - Symptoms and causes - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/atrial-flutter/symptoms-causes/syc-20352586

Nov 20th, 2020 - Overview Atrial flutter Open pop-up dialog box Close Atrial flutter Atrial flutter Atrial flutter is a type of heart rhythm disorder in which the heart's upper chambers (atria) beat too quickly. In atrial flutter, your heart's upper chambers (atria) beat too quickly. This causes the heart to beat in a fast, but usually regular, rhythm. Atrial flutter is a type of heart rhythm disorder (arrhythm...

Ischemic colitis - Symptoms and causes - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/ischemic-colitis/symptoms-causes/syc-20374001

Nov 10th, 2020 - Overview Area commonly affected by ischemic colitis Open pop-up dialog box Close Area commonly affected by ischemic colitis Area commonly affected by ischemic colitis Ischemic colitis occurs when blood flow to part of the large intestine is reduced. The condition can affect any part of the colon but is most common in the upper left segment. Ischemic colitis occurs when blood flow to part of the...

Ischemic colitis - Diagnosis and treatment - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/ischemic-colitis/diagnosis-treatment/drc-20374005

Nov 10th, 2020 - Diagnosis Ischemic colitis can often be confused with other disorders because their symptoms overlap, especially inflammatory bowel disease (IBD). Based on your signs and symptoms, your doctor may recommend these imaging tests: Abdominal CT scans, to provide images of your colon that can be helpful in ruling out other disorders, such as IBD. Colonoscopy. This test, which provides detailed image...

ATTR Amyloidosis (Transthyretin): Types, Sy
https://my.clevelandclinic.org/health/diseases/17855-amyloidosis-attr

Jun 2nd, 2020 - Overview Formation of Amyloid Fibrils. What is amyloidosis? Amyloidosis (am-uh-loy-doh-sis) is a protein disorder. In this disease, proteins change shape (misfold), then bind together and form amyloid fibrils which deposit in organs. As amyloid fibrils build up, the tissues and organs may not work as well as they should. Our bodies make several proteins that can cause amyloidosis. To choose the...