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Study.comJohn Williams
4. The QRS represents ventricular depolarization. Select the statement that correctly describes how to measure a QRS complex.a. Measure after the Q wave to the beginning of the S waveb. Measure from the beginning of the QRS complex to the J pointc. Measure the height of the QRS complexd. Measure from the end of the P wave to the end of the QRS
4. The QRS represents ventricular depolarization. Select the stateme…
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⚡Visual Atlas of ECG Waves & Conduction Pathways: ⚡️ P Wave: Atrial depolarization (contraction) — the initial upward deflection. ⏱ PR Segment: Post-P wave isoelectric line; denotes AV nodal conduction delay. 💥 QRS Complex: Ventricular depolarization — Q (initial ↓), R (prominent ↑), S (↓ post-R). 🚨 ST Segment: Post-QRS isoelectric phase; elevation/depression = critical pathology (e.g., ischemia/MI). 🌀 T Wave: Ventricular repolarization — gentle upward curve. #Cardiology #Electrophysiology #E
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