07-26-2016, 06:45 PM
One day after missing her dialysis treatment, a 27-year-old woman comes to the physician because of generalized weakness. Her blood pressure is 95/72 mm Hg, and pulse is 45/min and regular. Examination
shows a well-functi oning arteri ovenous fistula in the left upper extremity. Muscle strength is 3/5 in all extremiti es. An ECG shows third-degree atrioventri cular block. Laboratory studies are ordered. Which of the
following is the most appropri ate next step in management?
A) Kayexalate- sorbitol enema
B) Intravenous administration of calcium gluconate
C) Oral administration of sodium polystyrene sultanate (Kayexalate)
D) Immediate placement of a pacemaker
E) No treatment pending laboratory results
I want to know when to answer B (which was my answer) and when to answer D?
Thank you very much.
shows a well-functi oning arteri ovenous fistula in the left upper extremity. Muscle strength is 3/5 in all extremiti es. An ECG shows third-degree atrioventri cular block. Laboratory studies are ordered. Which of the
following is the most appropri ate next step in management?
A) Kayexalate- sorbitol enema
B) Intravenous administration of calcium gluconate
C) Oral administration of sodium polystyrene sultanate (Kayexalate)
D) Immediate placement of a pacemaker
E) No treatment pending laboratory results
I want to know when to answer B (which was my answer) and when to answer D?
Thank you very much.