The PR Interval & PR segment – The Cardiovascular
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The PR Interval & PR segment – The Cardiovascular
Video lecture: The PR interval & PR segment This video lecture is accompanied by the detailed article The normal electrocardiogram (ECG). A brief summary of the…
Jan 6, 2025
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EKG Heart Blocks as Dances 🫀🕺 🫀First-Degree Heart Block Prolonged PR interval (greater than 0.20 seconds) 💡If the R is far from the P, then you have a FIRST-DEGREE 🫀Second-Degree Heart Block Mobitz I (Wenckebach) PR intervals become increasingly LONGER until an entire QRS complex (beat) is missed 💡”Longer, longer, longer... DROP — that’s Wenckebach! 🫀Second-Degree Heart Block Mobitz II PR intervals are equal in length and do not elongate, yet SOME ARE SIMPLY not followed by a QRS complex
EKG Heart Blocks as Dances 🫀🕺 🫀First-Degree Heart Block Prolonged PR interval (greater than 0.20 seconds) 💡If the R is far from the P, then you have a FIRST-DEGREE 🫀Second-Degree Heart Block Mobitz I (Wenckebach) PR intervals become increasingly LONGER until an entire QRS complex (beat) is missed 💡”Longer, longer, longer... DROP — that’s Wenckebach! 🫀Second-Degree Heart Block Mobitz II PR intervals are equal in length and do not elongate, yet SOME ARE SIMPLY not followed by a QRS complex
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How to Measure the PR Interval on an EKG Strip | PR Interval EKG Quiz
How to Measure the PR Interval on an EKG Strip | PR Interval EKG Quiz
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Sinus rhythm, ~64bpm, with the odd ventricular extrasystole. A PR interval so short it looks like the heart jumped the queue. Axis normal. QRS neat and narrow. T waves calm, except a small Q and an inverted T in lead III. It looks innocent. It isn’t. This is the heart that broke protocol. Everyone screams WPW when they see a short PR. But WPW doesn’t hide. WPW shouts with that delta wave- broad, slurred, messy. This ECG? Clean. Too clean. That’s your first warning. In WPW, the impulse escapes th
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