What is the typical voltage magnitude of ECG waves during ventricular fibrillation?
Understand the Problem
The question is asking about the typical voltage magnitude range of ECG waves during ventricular fibrillation, which involves identifying the correct option among the provided choices.
Answer
Low voltage magnitude with diminished amplitude over time.
The typical voltage magnitude of ECG waves during ventricular fibrillation is often low, and the amplitude can be significantly diminished over time.
Answer for screen readers
The typical voltage magnitude of ECG waves during ventricular fibrillation is often low, and the amplitude can be significantly diminished over time.
More Information
During ventricular fibrillation, the ECG does not show the standard P waves, QRS complexes, or T waves. Instead, it displays chaotic, irregular deflections. Over time, if untreated, the waveform amplitude can decrease, indicating worsening myocardial function.
Sources
- Ventricular Fibrillation (VF) - ECG Library Diagnosis - LITFL - litfl.com
- Decoding ECG: Understand VTach vs VFib Easily | SureFire CPR - surefirecpr.com
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