Emergency Medicine

69 year old woman in cardiac arrest

Amrit Misra on May 23, 2013

69 year old female with end-stage renal disease presents to the Emergency Department in cardiac arrest.  Per EMS, she was found at home by her daughter.  She was scheduled for dialysis yesterday, but had to cancel due to car difficulties.  When you place her on the monitor, she is found to be in asystole, with pulses not palpable in distal extremities.

What is the most likely etiology of her cardiac arrest?

Expand all answers
a) Hypovolemia
Possible, but there is a better choice.


b) Hyperkalemia
Yes, this is the likely choice as she was unable to make it to her dialysis appointment yesterday.


c) Hypoxia
Possible, but there is a better choice.


d) Acute coronary syndrome
Possible, but there is a better choice.


69 year old female with end-stage renal disease presents to the Emergency Department in cardiac arrest.  Per EMS, she was found at home by her daughter.  She was scheduled for dialysis yesterday, but had to cancel due to car difficulties.  When you place her on the monitor, she is found to be in asystole, with pulses not palpable in distal extremities.

What is the most likely etiology of her cardiac arrest?

Expand all answers
a) Hypovolemia
Possible, but there is a better choice.


b) Hyperkalemia
Yes, this is the likely choice as she was unable to make it to her dialysis appointment yesterday.


c) Hypoxia
Possible, but there is a better choice.


d) Acute coronary syndrome
Possible, but there is a better choice.


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