Mechanical Ventilation

what is pip? - ANSWER: total pressure required to deliver the breath what is Auto Peep? - ANSWER: air trapping in lung during mechanical ventilation What is Plateau pressure? - ANSWER: pressure that required to keep alveoli inflated indication for mechanical ventilation - ANSWER: - apnea - acute ventilatory failure/ arrest - impending ventilatory failure - severe hypoxemia

In which of the following situations is volume-controlled ventilation sometimes used? - ANSWER: I. When a precise PaCO2 has to be maintained (some closed-head injuries). II. When more even distribution of ventilation is required Spontaneous breath modes include all of the following except: - ANSWER: continuous mandatory ventilation assist-control. What is the primary physiological effect of positive end-expiratory pressure (PEEP)? - ANSWER: Increase the functional residual capacity (FRC...

Reasons for Mechanical Ventilation - ANSWER: - Acute Respiratory Failure - Ventilatory Failure - not moving adequately but perfusing - Oxygenation Failure - moving air but perfusing inadequate - Combined Ventilatory and Oxygenation Failure Acute Respiratory Failure - ANSWER: - Classified as blood gas abnormality - PaO2 less than 60 mm Hg (however, less than 80 is hypoxemia) - PCo2 greater than 45 mm Hg with acidosis. - Sa02 less than 90%. (pulse oximetry) - Can be caused by ventilat...

force x distance = - ANSWER: work pressure change X volume change is the function of ? - ANSWER: work PSV - ANSWER: often used in conjunction with IMV, but can be used as a primary mode of ventilation With PSV patient dictates? - ANSWER: F, IFR, TI, VT Clinician sets what in PSV - ANSWER: Pressure support level, Trigger sensitivity, Optimal elevated baseline pressure (CPAP)

Mechanical Ventilation Quizzes and Questions with answers

Mechanical Ventilation Final Exam Study Guide questions and answers Which of the following is an indicator of weaning failure? A. Decreasing VD/VT B. Increasing MIP C. Increasing f/VT D. Decreasing f - ANSWER: C. Increasing f/VT Based on the weaning protocol described in the textbook, all of the following conditions must be met for consideration of a weaning attempt except: A. Hemodynamic stability B. Little or no sedation required C. PaO2/FIO2 D. Presence of inspiratory...

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