Third-degree block, also called complete heart block, is the most serious.
third degree heart block
In second-degree heart block, not every impulse reaches its destination.
Interruption of the impulses in the heart's conduction system is known as heart block. Heart block may be caused by scar tissue from a heart attack, among other things.
First-degree heart block or AV (arterioventricular) block, or PR prolongation, is a disease of the electrical conduction system of the heart in which the PR interval is lengthened beyond 0.20 seconds.First-degree heart block rarely causes any symptoms or problems and normally remain undiagnozed.RegardsTime is imaginary
Heart block refers to a condition where the electrical signals that control the heartbeat are partially or completely blocked as they travel through the heart. This can lead to a slowed heart rate or irregular rhythms, which may cause symptoms like fatigue, dizziness, or fainting. There are different degrees of heart block, ranging from first-degree, which is usually mild, to third-degree (complete heart block), which can be life-threatening and often requires treatment like a pacemaker.
heart block
Symptoms include fainting, dizziness and sudden heart failure.
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When one has a heart block, he will have a low heart rate, difficulty breathing, fatigue and cyanosis.
Tissue
artifact in ECG
Bundle branch block belongs to a group of heart problems called intraventricular conduction defects (IVCD).