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rida Forum Guru Topics: 109 Posts: 718	Apr 26, 2004 - 6:45 PM       #1 A 66 year old male has a cardiopulmonary arrest, and is transported to the hospital by paramedics. The date shown below are derived from an arterial blood sample obtained upon admission. Plasma pH = 7.09 Plasma Bicarb = 15 mEq/L Arterial Carbon Dioxide = 50 mmHg What type of acid base abnormality is pressent in this man? A) Metabolic acidosis B) Metabolic alkalosis C) Mixed acidosis D) Mixed alkalosis E) Respiratory acidosis F) Respiratory alkalosis
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Idiopathic Forum Guru Topics: 19 Posts: 639	Apr 26, 2004 - 6:50 PM       #2 C - cardiopulmonary arrest is a mixed acidosis.
rida Forum Guru Topics: 109 Posts: 718	Apr 26, 2004 - 7:09 PM       #3 Yes!
Quinn Forum Elite Topics: 63 Posts: 308	Apr 26, 2004 - 10:11 PM       #4 I don't understand why it is mixed. Can you explain? I got the metabolic acidosis part....why respiratory acidosis?
prep4usmle Admin Topics: 304 Posts: 435	Apr 26, 2004 - 10:20 PM       #5 "Quinn" wrote: ... why respiratory acidosis? Patient in cardio-pulmonary arrest, he is not breathing, the partial pressure of CO2 rises.
Salman23 Forum Senior Topics: 17 Posts: 67	Apr 30, 2004 - 1:51 PM       #6 I see this question coming straight from Q Bank.
rubensssss Forum Guru Topics: 95 Posts: 451	Apr 30, 2004 - 8:01 PM       #7 PH 7.09 Acidosis (7.4) Plasma Bicar 15 mE/L Met acidosis (23-29) Arterial CO2 50mmhg Resp Acidosis Mixed acidosis.
rida Forum Guru Topics: 109 Posts: 718	Apr 30, 2004 - 9:05 PM       #8 This question was actually asked to me by a friend, if it is indeed from qbank, i apologize as i was not aware, since qbank is copyrighted.

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