64 year old female complains of chest pain during dialysis. Vital signs are BP 110/66, P 68, R 20 and labored. What is the most likely cause?

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Multiple Choice

64 year old female complains of chest pain during dialysis. Vital signs are BP 110/66, P 68, R 20 and labored. What is the most likely cause?

In patients with kidney failure who are on dialysis, hyperkalemia is a common and dangerous issue because the kidneys can’t excrete potassium effectively. When extracellular potassium rises, cardiac cells become more excitable at first and then conduct more slowly, which can lead to arrhythmias and ischemic-type chest discomfort. Dialysis itself can trigger rapid shifts in potassium, so chest pain and labored breathing during the procedure can reflect this electrolyte disturbance affecting the heart and respiratory muscles. While myocardial infarction or aortic dissection can cause chest pain, the dialysis context makes electrolyte imbalance, particularly hyperkalemia, a more likely explanation. Hypokalemia would present differently, with symptoms and signs not as tightly tied to the dialysis setting in this scenario.

In patients with kidney failure who are on dialysis, hyperkalemia is a common and dangerous issue because the kidneys can’t excrete potassium effectively. When extracellular potassium rises, cardiac cells become more excitable at first and then conduct more slowly, which can lead to arrhythmias and ischemic-type chest discomfort. Dialysis itself can trigger rapid shifts in potassium, so chest pain and labored breathing during the procedure can reflect this electrolyte disturbance affecting the heart and respiratory muscles.

While myocardial infarction or aortic dissection can cause chest pain, the dialysis context makes electrolyte imbalance, particularly hyperkalemia, a more likely explanation. Hypokalemia would present differently, with symptoms and signs not as tightly tied to the dialysis setting in this scenario.

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