During resuscitation of an adult patient, the following ECG tracing is observed:When should sodium bicarbonate be considered?

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:

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:

a 42 year old woman who is obese and has a long history of smoking recently underwent upper abdominal  surgery. She was extubated last evening and several hours later is observed lying supine with shallow, rapid respirations. There are decreased breath sounds at both bases and the patient is complaining of severe pain with movement..Which of the following should a respiratory therapist suggest at this time?I.Arterial blood gas analysisII. Chest radiographIII. Acid-fast bacillus culture of sputum specimenIV.Electrolyte determinations

Inhaled gas for a patient who has a tracheostomy should:

Mechanical ventilation is indicated for patients with which of the following conditions?I. Acute on chronic hypercapneaII. Anemic hypoxiaIII. Narcotic-induced hypoventilationIV. Increased work of breathing

A patient with COPD who is receiving a bronchodilator by a metered dose inhaler (MDI) q6h complains of wheezing before the next treatment. the respiratory therapist should recommend which of the following?

A patient with chronic hypercapnea was extubated 2 days ago. He is now recieving a trial of noninvasive positive pressure ventilation with the following settings:IPAP           18 cm H2OEPAP          10 cm H2OThe respiratory therapist notes that EPAP consistently falls below 10 cm H2O. Which of the following could contribute to this situation?I. Inspiratory flow is too highII. The head straps are too looseIII. The mask is too largeIV. A nasogastric tube is present

Which of the following data sets reveals the best effective static compliance for an 81.8 kg (180 lb) male patient receiving mechanical ventilation with a tidal volume of 900 ml?       PIP              Plateau pressure              PEEP

A diagnosis of chronic bronchitis is consistent with which of the following?I. Morning coughII. Daily sputum productionIII. Frothy, pink sputumIV. Blood tinged sputum