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A 50-year-old patient was admitted to the hospital and submitted to a videolaparascopic surgery for cholecystectomy. Anaesthesia and intubation were performed with no problems. Right after the pneumoperitoneum induction, the low VT alarm of the ventilator was...

A 85 years old patient, 1.8 meters tall, 80kg, male, reporting dyspnea on exertion, without smoking history or findings on physical examination, had an arterial blood gas analysis as part of the diagnostic investigation and found the...

A 50 years old patient with morbid obesity checked in a hospital to do a bariatric surgery. On his 2^nd postoperative day, he evolved with hypokalemia (K⁺ serum of 2,1meq/l) and the following arterial blood gas analysis....

A patient with acute respiratory failure was examined in a ER with dyspnea, suspected of pneumonia and the following arterial blood gas was analysis: Which acid-base disturbance is present? a) Respiratory acidosis b) Metabolic acidosis c) Metabolic...

A patient was mechanically ventilated in the volume cycled ventilation (A/C-VCV) mode with an inspiratory time of 1s, 30 l/min of maximum inspiratory flow, square waveform type, and a tidal volume of 500 ml, as it is...

A patient was mechanically ventilated in the Pressure Support mode (PSV) with the following adjustments: PS: 12cmH₂O, PEEP: 6cmH₂O, cycling off 30%, sensitivity with pressure triggering: -1,5cmH₂O. Sedation was light, RASS: -1. The following curves were seen...

A patient with chronic liver disease and metabolic acidosis was intubated and diagnosed with pneumonia and severe ARDS. The ventilator was set in the A/C-VCV (volume controlled) mode, with a Tidal Volume (VT) of 6ml/kg of predicted...

An attentive nurse brought to the attention of the on-call intensivist these findings observed in the flow-volume curves of a 36 year-old patient with a subarachnoid hemorrhage under mechanical ventilation in A/C - VCV mode. Screen showing...

A patient was subjected to invasive mechanical ventilation because of pneumonia. There was enough clinical improvement, so sedation was suspended. The patient was in PCV-A/C mode with a respiratory rate (RR) set: 28bpm, RR total: 35bpm, insp....

The figure below shows three controlled breathing cycles in which the only change is the pattern of airflow during inspiration, in the VCV mode. Source: www.xlung.net In which one of them, 1^ST, 2^ND and 3^RD breathing cycles...