All Subjects Medicine Surgery Pathology Anatomy Pharmacology Social & Preventive Medicine Microbiology Gynaecology & Obstetrics Dental Physiology Biochemistry Pediatrics
Showing 3225 questions
Sort:
448 Anaesthesia

A 43-year-old woman develops acute renal failure following an emergency resection of a leaking abdominal aoic aneurysm. One week 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/dL The patient has gained 4 kg since surgery and is mildly dyspneic at rest. Eight hours after these values are repoed, the following electrocardiogram is obtained. Which of the following is the most appropriate initial treatment in the management of this patient?

A10 mL of 10% calcium gluconate
B0.25 mg digoxin every 3 hours for 3 doses
C100 mg lidocaine
DEmergent hemodialysis
Anaesthesia
View Explanation →
449 Anaesthesia

A 25 year old male with roadside accident underwent debridement and reduction of fractured both bones right forearm under axillary block. On the second postoperative day the patient complained of persistent numbness and paresthesia in the right forearm and the hand. The commonest cause of this neurological dysfunction could be all of the following except :

ACrush injury to the hand and lacerated nerves
BA tight cast or dressing
CSystemic toxicity of local anaesthetics
DTourniquet pressure
Anaesthesia
View Explanation →