Esquivel: Acid-Base Conversions Flashcards Preview

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Flashcards in Esquivel: Acid-Base Conversions Deck (12)
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1
Q

Metabolic alkalosis compensation?

A

+10 bicarb = +6 PCO2

2
Q

Acute Respiratory alkalosis compensation?

A

-10 PCO2 = +0.08 in pH and -2 HCO3

3
Q

Chronic Respiratory alkalosis compensation?

A

-10 PCO2 = +0.02pH and -5 HCO3

4
Q

Acute Respiratory acidosis compensation?

A

+10 PCO2 = -0.08 pH and +1 HCO3

5
Q

Chronic Respiratory acidosis compensation?

A

+10 PCO2 = -0.03 pH and +3.5 HCO3

6
Q

A-a gradient?

A

150- (5/4)pCO2 - PaO2

7
Q

pt with PCP - when to give steroids?

A

Aa gradient>35 or PO2<70

8
Q

C diff: Mild, Moderate vs Severe (Tx for each?)

A

Mild: Less than 6 BMs, fever under 101, WBC under 12, under 65 (Oral Metronidazole)

Moderate: 6-12 BMs, fever 101-103, WBC 12-25, over 65y

Severe - BM over 12, fever over 103, WBC over 25, sepsis (Metronidazole + vancomycin)

9
Q

Why would a MS pt with metabolic acidosis also has respiratory acidosis?

A

respiratory muscle not able to accurate compensate for metabolic acidosis (can’t breathe faster)

10
Q

Pt with anion gap acidosis: next steps?

A

1) Winter’s Formula
2) Calculate Delta-Delta AG - (nl AG) + bicarb =

28 met alk in addition

11
Q

Causes of Respiratory Alk?

Causes of Resp. Alk with pancreatitis?

A

Lung (PE, ARDs), Liver (cirrhosis) anxiety/pain, sepsis

PE, ARDS, sepsis

12
Q

Cause of chronic respiratory alkalosis?

A

cirrhosis

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