The QRS vector appears downward in which of the following electrocardiogram leads?
a. II c. aVL
b. V5 d. aVR
ANS: D
The QRS vector will normally be upward in leads I, II, aVL, and V5 and is usually downward in leads aVR and V1.
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Accidental puncture of ovary during hysterectomy: ________
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A patient diagnosed with sepsis who is being mechanically ventilated has a combined minute ventilation of 25 L/min with a PaCO2 of 38 mm Hg. The reason for these findings is most likely which of the following?
1. Increased CO2 2. Decreased CO2 3. Increased VD/VT 4. Decreased VD/VT a. 1 and 3 only b. 1 and 4 only c. 2 and 3 only d. 2 and 4 only
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