acid base

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acid base

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8 Posts

rida
Forum Guru

Topics: 109
Posts: 721

04/26/04 - 08:45 PM

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
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04/26/04 - 08:50 PM

C - cardiopulmonary arrest is a mixed acidosis.

rida
Forum Guru

Topics: 109
Posts: 721

04/26/04 - 09:09 PM

Yes!

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Quinn
Forum Elite

Topics: 63
Posts: 308

04/27/04 - 12:11 AM

I don't understand why it is mixed. Can you explain? I got the metabolic acidosis part....why respiratory acidosis?

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prep4usmle
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Topics: 288
Posts: 1,184

04/27/04 - 12:20 AM

"Quinn" wrote:
... why respiratory acidosis?

Patient in cardio-pulmonary arrest, he is not breathing, the partial pressure of CO2 rises.

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Salman23
Forum Senior

Topics: 17
Posts: 67

04/30/04 - 03:51 PM

I see this question coming straight from Q Bank.

rubensssss
Forum Guru

Topics: 95
Posts: 451

04/30/04 - 10:01 PM

PH 7.09 Acidosis (7.4)
Plasma Bicar 15 mE/L Met acidosis (23-29)
Arterial CO2 50mmhg Resp Acidosis

Mixed acidosis.

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rida
Forum Guru

Topics: 109
Posts: 721

04/30/04 - 11:05 PM

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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