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Listen "High-Yield Critical Care: Respiratory Faiure - 2 (Hypercapnic Failure)"
Episode Synopsis
Brief but high-yield question-based approach to differential diagnosis in hypercapnic failure.
Analyzing the differentials and management options based on the formula of Alveolar Minute Ventilation:
Alveolar Minute Ventilation = Respiratory Rate x (Tidal Volume - Dead Space Volume)
VA = RR x (Vt-Vd)
DDxing of hypercapnia includes low RR (e.g. opiate use), Low Vt (e.g restrictive lung disease) or high Vd (COPD).
Analyzing the differentials and management options based on the formula of Alveolar Minute Ventilation:
Alveolar Minute Ventilation = Respiratory Rate x (Tidal Volume - Dead Space Volume)
VA = RR x (Vt-Vd)
DDxing of hypercapnia includes low RR (e.g. opiate use), Low Vt (e.g restrictive lung disease) or high Vd (COPD).
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