Anesthesia complicationsDownloads

A 16-year-old girl is brought to the emergency department by her friends who say that she took a whole bottle of her mom’s medication. They do not know which medication it was she ingested. The patient is slipping in and out of consciousness and is unable to offer any history. Her temperature is 39.6°C (103.2°F), the heart rate is 135/min, the blood pressure is 178/98 mm Hg, and the respiratory rate is 16/min. On physical examination, there is significant muscle rigidity without tremor or clonus. Which of the following is the best course of treatment for this patient?

Six days after undergoing a left hemicolectomy for colorectal carcinoma, a 59-year-old man collapses in the hospital hallway and is unconscious for 30 seconds. Afterwards, he complains of shortness of breath and chest pain with deep inhalation. He has hypertension and hyperlipidemia. He smoked one pack of cigarettes daily for 35 years but quit prior to admission to the hospital. He does not drink alcohol. He is in distress and appears ill. His temperature is 36.5°C (97.7°F), blood pressure is 80/50 mm Hg, and pulse is 135/min and weak. Oxygen saturation is 88% on room air. Physical examination shows elevated jugular venous distention. Cardiac examination shows a regular, rapid heart rate and a holosystolic murmur that increases during inspiration. His abdomen is soft and mildly tender to palpation around the surgical site. Examination of his extremities shows pitting edema of the left leg. His skin is cold and clammy. Further examination is most likely to reveal which of the following findings?