Borderline ecg

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What are ventricular premature complexes? Your Your heartbeat is regulated by a unique electrical system. Although this electrical system consistently produces the signals needed for your heart to beat in a predicable manner, the signal can become disrupted at times. When this happens, an irregular heartbeat can occur, and it may feel as if your heart has skipped a beat. Various health conditions can disrupt your heartbeat. Some are life-threatening, but others can be quite benign. Ventricular premature complexes are one example of a benign condition that can cause an irregular heartbeat. In fact, most people experience this condition at some point in their lives. This condition can occur at random times or in regular patterns. Ventricular premature complexes are also known as: • premature ventricular contractions (PVCs) • ventricular premature beats • extrasystole • If you experience ventricular premature complexes, you may not notice any symptoms. If symptoms are noticeable, you may feel like your heart is fluttering, pounding, or jumping in your chest. It might also seem as though your heart has skipping a beat. In some cases, the heartbeat that occurs after the ventricular premature complex may become more forceful — so much so that you feel pain or discomfort in your chest. If you have frequent or prolonged ventricular premature complexes, this may reduce your heart’s ability to pump blood efficiently. This can also cause additional symptoms, which include: • weakness...

Right bundle branch block is a problem with your right bundle branch that keeps your heart’s electrical signal from moving at the same time as the left bundle branch. Instead of moving together on the left and right sides, the signal on the right side is running behind. This creates an irregular heartbeat. Usually, the problem isn’t serious. Overview Heartbeat signal blocked in right bundle branch What is right bundle branch block? Right bundle branch block is an obstacle in your right bundle branch that makes your heartbeat signal late and out of sync with the left bundle branch, creating an irregular heartbeat. Electrical signals in your heart act like a pacemaker that controls your Normally, the signal goes down both bundle branches at once and both ventricles are working at the same time. When the signal goes down the right bundle branch a little slower than the left bundle branch, the right ventricle contracts later than the left one. This is what’s going on when you have a right bundle branch block, and it happens because the signal has to go around a block in the branch. Because the ventricles aren’t working at exactly the same time, this creates an irregular heartbeat ( Right bundle branch block can be complete or incomplete. Unlike complete right bundle branch block, incomplete right bundle branch block doesn’t increase your risk of heart attack and death. Who does right bundle branch block affect? Right bundle branch block can happen in healthy people. It’s more ...

A bundle branch block affects how efficiently the heart can pump blood. RBBB is similar to Is Right Bundle Branch Block Serious? On its own, a right bundle branch block is not usually serious. However, in people with heart disease and a previous heart attack or heart failure, RBBB increases the risk of premature death. • An incomplete or partial block means that electrical signals are partly disrupted. An incomplete block generally does not pose a risk on its own, though it can progress to a complete block. • A complete block is a more serious disruption in signaling than an incomplete block, but similar to an incomplete block, it does not typically cause serious problems. However, it may contribute to symptoms of heart failure and increase the risk of death from other cardiovascular diseases. • Atrial septal defect, a hole in the wall between the two upper chambers of the heart • Coronary artery disease (CAD), in which blood flow to the heart muscle is reduced • Myocarditis, inflammation of the cardiac muscle • Valvular heart disease involving one or more of the four heart valves • Ventricular septal defect, a hole in the heart Anyone who is discovered to have a right bundle branch block needs a medical evaluation that concentrates on signs of heart or lung disease. A chest X-ray and an How Is RBBB Treated? A right bundle branch block usually does not require treatment on its own, though any underlying heart conditions should be addressed. • Birnbaum Y, Nikus K. J Am Hear...

Diagnosis To diagnose an enlarged heart, a health care provider will usually do a physical exam and ask questions about your symptoms and medical history. Tests that may be done to help diagnose an enlarged heart (cardiomyopathy) and its cause include: • Blood tests. Blood tests may help confirm or rule out conditions that can cause heart enlargement. If an enlarged heart occurs with chest pain or other signs of a heart attack, blood tests may be done to check the levels of substances in the blood caused by heart muscle damage. • Chest X-ray. A chest X-ray can help show the condition of the lungs and heart. If the heart is enlarged on an X-ray, other tests will usually be needed to determine whether the enlargement is real and to find the cause. • Electrocardiogram (ECG or EKG). This quick and painless test measures the electrical activity of the heart. Sticky patches (electrodes) are placed on the chest and sometimes the arms and legs. Wires connect the electrodes to a computer, which displays the test results. An ECG can show if the heart is beating too fast or too slow. A health care provider can look at signal patterns for signs of a thickened heart muscle (hypertrophy). • Echocardiogram. This noninvasive test uses sound waves to create images of the heart's size, structure and motion. An echocardiogram shows blood flow through the heart chambers and helps determine how well the heart is working. • Exercise tests or stress tests. These tests often involve walking on a ...

Share on Pinterest Right bundle branch block (RBBB) is a slowing of electrical impulses to the heart’s In order for your heart to beat properly, electrical impulses are sent through a pathway, including two areas on either ventricle called the right and left bundles. If either of these bundles becomes damaged due to issues like a heart attack or high blood pressure, the electric impulse can move more slowly. This makes it harder for the heart to pump blood throughout your body and may cause your heart to beat abnormally. RBBB doesn’t always require treatment, especially if you don’t have any underlying If you have RBBB due to a heart attack with other electrical system conditions, for example, you may need a If you have While treating the underlying condition might not completely get rid of RBBB, it can prevent future damage. The right side of the heart is responsible for pumping blood to the lungs to be oxygenated. The oxygenated blood returns to the left side of the heart, where it’s pumped to the rest of the body. This is why RBBB is sometimes related to lung problems, like: • • Other potential causes of RBBB include: • • • infection in the heart tissue or valves • minor chest trauma Also, as you age, your heart tissue can gradually change. Sometimes, this results in RBBB. While anyone can develop RBBB, some people have a higher risk due to other conditions that affect their heart or lungs. Conditions that can increase your risk of bundle branch block on either the left...

Left ventricular hypertrophy Left ventricular hypertrophy is a thickening of the wall of the heart's main pumping chamber. This thickening may result in elevation of pressure within the heart and sometimes poor pumping action. The most common cause is high blood pressure. Left ventricular hypertrophy is thickening of the walls of the lower left heart chamber. The lower left heart chamber is called the left ventricle. The left ventricle is the heart's main pumping chamber. During left ventricular hypertrophy, the thickened heart wall can become stiff. Blood pressure in the heart increases. The changes make it harder for the heart to effectively pump blood. Eventually, the heart may fail to pump with as much force as needed. Symptoms Left ventricular hypertrophy usually develops gradually. Some people do not have symptoms, especially during the early stages of the condition. Left ventricular hypertrophy itself doesn't cause symptoms. But symptoms may occur as the strain on the heart worsens. They may include: • Shortness of breath, especially while lying down • Swelling of the legs • Chest pain, often when exercising • Sensation of rapid, fluttering or pounding heartbeats, called palpitations • Fainting or a feeling of lightheadedness When to see a doctor Seek emergency care if: • You feel chest pain that lasts more than a few minutes • You have severe difficulty breathing • You have severe lightheadedness or lose consciousness • You have a sudden, severe headache, difficult...

Diagnosis To diagnose long QT syndrome, a health care provider does a physical exam and asks questions about your symptoms and medical and family history. The health care provider uses a stethoscope to listen to your heart. If your provider thinks you have an irregular heartbeat, tests can be done to check the heart's rhythm. Prolonged QT interval A prolonged QT interval is an irregular heart rhythm that can be seen on an electrocardiogram. It reflects a disturbance in how the heart's bottom chambers (ventricles) send signals. In a prolonged QT interval, it takes longer than usual for the heart to recharge between beats. This is the most common test used to diagnose long QT syndrome. An ECG is a quick and painless test that records the electrical signals in the heart. During an ECG, sensors (electrodes) are attached to the chest and sometimes to the arms or legs. An ECG measures the timing and duration of each electrical phase in the heartbeat. The signals are shown as waves on an attached computer monitor or printer. • An ECG labels the heart's electrical signals as five waves using the letters P, Q, R, S and T. • Waves Q through T show the electrical activity in the heart's lower chambers (ventricles). • The QT interval is the space between the start of the Q wave and the end of the T wave. The interval is the time it takes for the heart to contract and refill with blood before it beats again. If the interval takes longer than usual to occur, it's called a prolonged QT i...

• Research article • • 20 April 2021 Prevalence of abnormal and borderline electrocardiogram changes in 13, 079 Chinese amateur marathon runners • • • • • • • … •  ORCID: orcid.org/0000-0001-5323-6082 Show authors BMC Sports Science, Medicine and Rehabilitation volume 13, Article number: 41 ( 2021) Background The 12-lead electrocardiogram (ECG) has been adopted as an important component of preparticipation cardiovascular screening. However, there are still controversies in the screening and few studies with a large sample size have reported the results of ECGs of marathon runners. Therefore, the purpose of this study was to assess the prevalence of normal, borderline, and abnormal ECG changes in marathon runners. Methods The 12-lead ECG data of 13,079 amateur marathon runners between the ages of 18 and 35 years were included for analysis. The prevalence of ECG abnormalities among different gender groups was compared with chi-square tests. Results In terms of training-related changes, sinus bradycardia, sinus arrhythmia, and left ventricular high voltage were found in approximately 15, 5, and 3.28% of the participants, respectively. The incidence of right axis deviation in the marathon runners was 1.78%, which was slightly higher than the incidence of left axis deviation (0.88%). No more than 0.1% of the amateur marathon runners exhibited ST-segment depression, T wave inversion (TWI), premature ventricular contraction, pathologic Q waves, and prolonged QT interval. ...

Diagnosis To diagnose an enlarged heart, a health care provider will usually do a physical exam and ask questions about your symptoms and medical history. Tests that may be done to help diagnose an enlarged heart (cardiomyopathy) and its cause include: • Blood tests. Blood tests may help confirm or rule out conditions that can cause heart enlargement. If an enlarged heart occurs with chest pain or other signs of a heart attack, blood tests may be done to check the levels of substances in the blood caused by heart muscle damage. • Chest X-ray. A chest X-ray can help show the condition of the lungs and heart. If the heart is enlarged on an X-ray, other tests will usually be needed to determine whether the enlargement is real and to find the cause. • Electrocardiogram (ECG or EKG). This quick and painless test measures the electrical activity of the heart. Sticky patches (electrodes) are placed on the chest and sometimes the arms and legs. Wires connect the electrodes to a computer, which displays the test results. An ECG can show if the heart is beating too fast or too slow. A health care provider can look at signal patterns for signs of a thickened heart muscle (hypertrophy). • Echocardiogram. This noninvasive test uses sound waves to create images of the heart's size, structure and motion. An echocardiogram shows blood flow through the heart chambers and helps determine how well the heart is working. • Exercise tests or stress tests. These tests often involve walking on a ...