7) A 45 year-old woman with HTN and Type 2 DM presents with pedal edema. Her meds include insulin, atenolol, lisinopril, furosemide, and ASA.

• 7) A 45 year-old woman with HTN and Type 2 DM presents with pedal edema. Her meds include insulin, atenolol, lisinopril, furosemide, and ASA.

• Labs:

• Na 136 K 6.2 CO2 20 BUN/creatinine 32/1.9

• Serum osmolality 305 mOsm/kg

• Microalbumin 320 mcg/mg creatinine

• All of the following could contribute to this patient’s hyperkalemia except?

• Lisinopril

• Decreased GFR

• Type 4 RTA (hyporeninemic-hypoaldosteronism)

• Renal artery stenosis

• Atenolol