What happens when one or both of the ventricular pathways are not functioning properly due to damage or a delay from cardiac disease, drugs, or other conditions

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11-08-2022
Biology

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What happens when one or both of the ventricular pathways are not functioning properly due to damage or a delay from cardiac disease, drugs, or other conditions

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Tutorconsortium359 Tutorconsortium359 · Answer 1 · 2022-08-21T13:35:56+02:00

When one or both of the ventricular pathways are not functioning properly due to damage or a delay from cardiac disease, drugs, or other conditions a bundle branch block occur.

What is bundle branch block?

Bundle branch block is a situation in which the path used by the electrical impulses that cause the heart to beat is delayed or blocked. It occasionally makes it more difficult for the heart to pump blood to the body's other organs.
The channel that carries electrical impulses to the left or right side of the heart's bottom chambers (ventricles) might be delayed or blocked.
It might not be necessary to treat a bundle branch block. When this occurs, treatment focuses on treating the underlying medical issue that contributed to the bundle branch block, such as heart disease.

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Tutorconsortium354 Tutorconsortium354 · Answer 2 · 2022-08-23T09:21:23+02:00

The lower chambers of the heart, known as the ventricles, are where ventricular arrhythmias originate. when a heart ailment, medication, or another factor causes damage to or a delay in one or both of the ventricular circuits.

What kinds of ventricular arrhythmias are there?

The heart's ventricles are where a ventricular arrhythmia starts. Ventricular arrhythmias come in a variety of forms.

Premature ventricular contractions (PVCs): heartbeats that begin in the ventricles early and frequently. PVCs frequently do not manifest any symptoms or need medical attention. This form of arrhythmia is frequent and may be brought on by stress, using excessive amounts of nicotine or caffeine, or exercising. Heart disease or an electrolyte imbalance can potentially be the cause. A cardiologist should assess those who have several PVCs and/or symptoms linked to them (heart doctor).

Ventricular tachycardia (V-tach): heartbeat that beats quickly and starts in the ventricles. Less blood can be pumped through the body due to the heart's inability to fill up with blood properly due to the quick rhythm. V-tach may have more symptoms than other types of arrhythmia, making it more dangerous, especially in those with heart problems. This condition needs to be examined by a cardiologist.

Ventricular fibrillation (V-fib): an irregular, chaotic discharge of impulses from the ventricles. The ventricles tremble and are unable to produce an efficient contraction, which prevents enough blood from reaching your body. This is a medical emergency that requires immediate defibrillation (the delivery of an energy shock to your heart muscle to restore a normal rhythm) and cardiopulmonary resuscitation (CPR).

Long QT: Although this is not an arrhythmia, it may increase a person's risk of developing one. The QT interval is the region on the ECG that depicts the amount of time it takes for an electrical impulse to fire and then recharge, or for the heart muscle to contract and then recover. The risk of "torsade de pointes," a fatal form of ventricular tachycardia, increases when the QT interval is longer than normal.

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