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12639 Surgery

A 43-year-old woman develops acute renal failure following an emergency resection of a leaking abdominal aortic aneurysm.Three days after surgery, the following laboratory values are obtained:* Serum electrolytes (mEq/L): Na+:127;K+:5.9;Cl-:92;HCO3-:15* Blood urea nitrogen: 82 mg/dL* Serum creatinine: 6.7 mg/dLThe patient has gained 4 kg since surgery and is mildly dyspneic at rest. Eight hours after these values are reported, the electrocardiogram shown below is obtained. The initial treatment for this patient should be

A10% calcium gluconate, 10 mL
BDigoxin, 0.25 mg every 3 h for three doses
COral Kayexalate
DLidocaine, 100 mg
Surgery
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12643 Surgery

Stage T1NOMO in breast cancer indicates-

ATumor more than 2 ems in diameter without axillary nodes and absent metastasis
BTumour 2 cms or less without axillary nodes and no metastasis
CTumour fixed to the chest wall without axillary nodes or distant metastasis
DTumour fixed to the underlying muscle with no nodes in axilla but wth distant metastasis
Surgery
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