The primary objective is to quantify the caloric and protein intake in adult participants with acute respiratory failure who start a noninvasive ventilation treatment. The main question is: \- Are participants meeting their caloric and protein target during noninvasive ventilation treatment? Participants will complete a five-day food diary collection starting from the initiation of noninvasive ventilation treatment.
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Caloric intake
Timeframe: Data will be collected on a daily food diary for five days from the start of noninvasive ventilation treatment
Protein intake
Timeframe: Data will be collected on a daily food diary for five days from the start of noninvasive ventilation treatment
Caloric and protein adequacy
Timeframe: Discrepancy will be analyzed daily for five days from the start of noninvasive ventilation treatment