A sudden drop in peak pressures during volume-controlled ven…
A sudden drop in peak pressures during volume-controlled ventilation could be due to which of the following?I. Increased expiratory timeII. A leak in the endotracheal tube cuffIII. A malfunctioning exhalation valveIV. Low water level in the humidifier
Read DetailsA patient who is dyspneic and has COPD is breathing room air…
A patient who is dyspneic and has COPD is breathing room air. The following arterial blood gas results are obtained:pH 7.32PaCO2 68 torrPaO2 49 torrHCO3 34 mEq/LBE +9 mEq/LWhich of the following devices should be used for the administration of oxygen to this patient?
Read DetailsA patient has been receiving an ultrasonic nebulizer treatme…
A patient has been receiving an ultrasonic nebulizer treatment for 15 minutes with 3% saline. He begins to wheeze and complains shortness of breath. Which of the following should the respiratory therapist do?I. Discontinue the treatmentII. Notify the physicianIII.Continue the treatment with 0.9% salineIV. Monitor the patient
Read DetailsA 35 y/o, 70 kg patient is receiving pressure controlled ven…
A 35 y/o, 70 kg patient is receiving pressure controlled ventilation in the ICU following a motor vehicle crash. The following data are available:Mode SIMV pH 7.29FIO2 0.50 PaCO2 61 torrMandatory rate 14 PaO2 65 torrExhaled VT 500 ml HCO3 29 mEq/LPEEP 10 cmH2O BE +4 mEq/LPIP 35 cmH2O SaO2 89%I:E 1:2The respiratory therapist should recommend changing the:
Read DetailsThirty minutes post extubation, an adult patient recieving 4…
Thirty minutes post extubation, an adult patient recieving 40% oxygen by cool aerosol begins to exhibit marked dyspnea, stridor and sternal retractions. The patients respiratory rate is 40/min and SpO2 is 85%. The respiratory therapist should recommend aerosolized racemic epinephrine and:
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