Pathology EMQ template.

Name:Van Der Spuy, Nicole

Theme:

 

OPTION LIST

 

A

Pyloric stenosis

I

Type 2 Respiratory Failure

B

Myocardial Infarction

J

Hyperventilation

C

Hypokalaemia

K

Asthma

D

Pneumonia

L

 

E

Diabetic ketoacidosis

M

 

F

Renal Failure

N

 

G

Opioid overdose

O

 

H

Metformin

P

 

 

 

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.      A 65 year old gentleman with known severe COPD is found collapsed with no cardiac output.  His wife reports that he had been complaining of severe indigestion for the past few days, but that the pain had suddenly worsened last night.  At the time of presentation to A&E:

PH: 7.1

pCO2: 8kPa

pO2: 20kPa (on O2)

Bicarbonate: 10mmol/l

Base deficit: -16

 

 

2.      A 19 year old female presents to A&E feeling light headed and breathing fast. The blue inhaler you have given her has had no effect.

PH: 7.65

PCO2: 2.9kPa

PO2:16kPa

Bicarbonate: 23mmol/l

 

 

3.      A 65 year old diabetic gentleman presents with nausea, vomiting and abdominal pain.

PH: 7.1              

PCO2 3kPa

PO2: 15kPa

Bicarbonate: 6.8mmol/l

 

 

4. A 59 year old man with shortness of breath and known COPD.

pH=7.3

pCO­2=12kPa

pO2=9kPa

Bicarbonate=57mmol/l

 

 

 

5. A 6 week old boy is brought in by his parents as they are worried that he has been projectile vomiting after every feed.

PH: 7.65

PCO2: 4.9

Bicarbonate: 40mmol/l

Base excess: +11.8

 

 

 

 

 

ANSWERS

1. B

2. J

3. H

4. I

5. A