USMLE nephrology MCQ question:Management of hyperkalemia

[sadeek]

A 65-year-old diabetic with a creatinine of 1.6 was started on an angiotensin converting enzyme inhibitor for hypertension and presents to the emergency room with weakness. His other medications include a statin for hypercholesterolemia, a beta blocker and spironolactone for congestive heart failure, insulin for diabetes, and aspirin. Laboratory examinations include: K: 7.2 meq/L Creatinine: 1.8 Glucose: 400 mg/dL CPK: 400 IU/L.

Which of the following is the most important factor in determining the initial treatment of hyperkalemia in this patient?

a- The magnitude of the hyperkalemia

b- The presence of renal failure

c- The presence of ECG changes consisting of a widened QRS

d- Severity of weakness



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Members may check the correct answer file posted below

[raniasalah]

THANKX

[moadhamdan]

thanxxxxxxxxxxxxxxxx

[garryjoey]

CCCCCCCCCCCCCCCCCCCCCCCC

[poonum]

CORREC ANS I S C

[houssam9ak]

thanksssss

[badraldien]

very niiiiiiiiiiiiiiiiiiiiiiiiiiiiiice

[alrazy2000]

The presence of ECG changes consisting of a widened QRS

[mohed12345]

ecg
of course

[elrazy2000]

c- The presence of ECG changes consisting of a widened QRS

[swissdoc]

Thanks..............

[dr_ahm]

ccccccccccccccccccccccccccccccc

[tarek saad]

the presence of ecg changes