The surgical equipment used during a craniectomy is sterilized using pressurized steam at 121°C for 15 minutes. Reuse of these instruments can cause transmission of which of the following pathogens?
ANon-enveloped viruses
BSporulating bacteria
CPrions
DEnveloped viruses
EYeasts
A 50-year-old male presents to the emergency with abdominal pain. He reports he has had abdominal pain associated with meals for several months and has been taking over the counter antacids as needed, but experienced significant worsening pain one hour ago in the epigastric region. The patient reports the pain radiating to his shoulders. Vital signs are T 38, HR 120, BP 100/60, RR 18, SpO2 98%. Physical exam reveals diffuse abdominal rigidity with rebound tenderness. Auscultation reveals hypoactive bowel sounds. Which of the following is the next best step in management?
AAdmission and observation
BChest radiograph
C12 lead electrocardiogram
DAbdominal CT scan
EAbdominal ultrasound
A 63-year-old woman is brought to the emergency department because of severe abdominal pain and vomiting for 3 hours. She had previous episodes of abdominal pain that lasted for 10–15 minutes and resolved with antacids. She lives with her daughter and grandchildren. She divorced her husband last year. She is alert and oriented. Her temperature is 37.3°C (99.1°F), pulse is 134/min, and blood pressure is 90/70 mm Hg. The abdomen is rigid and diffusely tender. Guarding and rebound tenderness are present. Rectal examination shows a collapsed rectum. Infusion of 0.9% saline is begun and a CT of the abdomen shows intestinal perforation. The surgeon discusses the need for emergent exploratory laparotomy with the patient and she agrees to it. Written informed consent is obtained. While in the holding area awaiting emergent transport to the operating room, she calls for the surgeon and informs him that she no longer wants the surgery. He explains the risks of not performing the surgery to her and she indicates she understands but is adamant about not proceeding with surgery. Which of the following is the most appropriate next step in management?
AConsult hospital ethics committee
BObtain consent from the patient's daughter
CObtain consent from the patient's ex-husband
DContinue with emergency life-saving surgery
ECancel the surgery
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