Pathology EMQ template.

Name: Amish Acharya        

Theme: Acid Base handling

 

OPTION LIST

 

A	Compensated Metabolic Acidosis	I	Respiratory Acidosis
B	Compensated Metabolic Alkalosis	J	Respiratory Alkalosis
C	Compensated Respiratory Acidosis
D	Compensated Respiratory Alkalosis
E	Metabolic Acidosis
F	Metabolic Alkalosis
G	Metabolic and Respiratory Acidosis
H	Metabolic and Respiratory Alkalosis

 

For each scenario below, choose the most appropriate answer from the list above. Each option may be used once, more than once or not at all.

 

1. The disturbance that can cause an anion gap of 24mmol/l (normal range 10-18mmol/L).

 

 

2. The disturbance that can occur with a base excess of +4mEq/L.

 

 

3. The disturbance one may expect with a child who has been admitted after accidentally ingesting anti-freeze.

 

 

4. A 60yr old man admitted for an acute case of pneumonia, has bloods: pH 7.6, PCO2 4kPa, PO2 8kPa, HCO3 37mmol/L, Na 130 mmol/L, K 2.2mmol/L. He has been on thiazide diuretics for the past 6 months.

 

 

5. An 80yr old female in the renal unit has bloods with pH 7, PCO2 9.7Pa, PO2 8kPa, HCO3 14mmol/L.

 

 

ANSWERS

1. E

2. F

3. E

4. H

5. G