Quizzes

  • A 50 years old patient with morbid obesity checked in a hospital to do a bariatric surgery. On his 2nd 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, 1ST, 2ND and 3RD breathing cycles...

  • A patient with respiratory failure showed the following clinical sign in his respiratory pattern: 1. What is the precise name of this sign? a) Paradoxical diaphragmatic movement b) Hoover’s sign c) Intercostal retraction 2.  What is its...

  • A 63-year-old woman with Chronic Obstructive Pulmonary Disease (COPD) was on noninvasive mechanical ventilation (NIV) with an oronasal mask in an ICU ventilator in the pressure support ventilation (PSV) mode. The cycling off criterion was set to...