The electrocardiogram (ECG) is a valuable tool for assessing the cardiac conduction system. The measurements routinely obtained with ECG include heart rate, PR interval, QRS duration and the QT ...
THE electrocardiographic picture of prolonged QRS-complex duration with short PR interval was the subject of isolated reports 1,2 until Wolff, Parkinson and White 3 described the clinical syndrome of ...
A trifascicular block is the combination of a right bundle branch block, left anterior or posterior fascicular block and a first degree AV block (prolonged PR interval). The term “trifascicular block” ...
Mobitz type I, also known as the Wenckebach block, is a subtype of second-degree atrioventricular (AV) block. Mobitz type I is a type of conduction disorder, which happens when the electrical signals ...
COMPLETE heart block, with slow, regular ventricular beats, usually gives rise to a systolic murmur. 1–4 Generally, this murmur is thought to result from the large stroke volume, which produces rapid ...
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What Happens When You Have a Heart Block?
First-degree heart block is the mildest type and often requires no treatment. Third-degree heart block is the most severe and often needs a pacemaker to regulate the heartbeat. Many different causes ...
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