Which of the following are acceptable indicators of hypoxemi…
Which of the following are acceptable indicators of hypoxemia for purposes of justifying home O2 therapy?I. resting PaO2 of 65 mm Hg (room air)II. drop in Sao2 below 88% during ambulationIII. resting arterial SaO2 below 88% (room air)
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Place the following parts of the cardiac conduction system in the order in which they transmit the action potential.1) atrioventricular (AV) bundle2) Purkinje fibers3) sinoatrial (SA) node4) right and left bundle branches5) contractile cells of cardiac muscle tissue6) atrioventricular (AV) node
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