A 60-year-old male consulted because of dysphagia of 5 months duration, initially to solid foods. At present, he is having problems swallowing even his own saliva. Other accompanying symptoms include anorexia and weight loss of 50 lbs in 4 months. What is the most likely initial diagnosis?
A 28-year-old bus driver, with his seatbelt on, was involved in a vehicular crash with another bus. At the ER, 30 minutes after the injury, his vital signs were noted as follows: BP=130/70, PR=100/min, RR=20/min, GCS=15. His abdomen is slightly globular, with a contusion hematoma and direct tenderness at the RUQ, but no rebound tenderness. What is the most appropriate initial diagnostic procedure that will help you decide on the proper management?
A 54-year-old female with a history of rheumatic heart disease and valve replacement surgery suddenly developed severe abdominal pain, with some tenderness and a palpable mass around 3 cm in size. There is also a bluish discoloration around the umbilicus. What is the most likely diagnosis?
A 45-year-old female was brought to the ER because of colicky abdominal pain, vomiting, and abdominal distention. The condition started 3 days prior to admission as occasional cramps, epigastric pain accompanied by vomiting, abdominal distention, and obstipation. Past medical history revealed an appendectomy 1 year ago. On physical examination, there was a high-grade fever and positive rebound tenderness. What is the most likely diagnosis for this patient?
On rectal exam, a 42-year-old female is found to have a hard, nodular mass 4 cm from the anal verge. Should the initial diagnostic workup include one of the following?
What are the absolute contraindications for cholecystectomy?
In patients with normal preoperative values, how much blood loss can be replaced with crystalloid solution?
An 85-year-old female patient with atrial fibrillation developed sudden onset of severe abdominal pain. On physical examination, abdominal findings are minimal. Vital signs show tachycardia with normal blood pressure and temperature. What is the most likely diagnosis?
What is the most useful radiologic test for diagnosing acute cholecystitis?
What is the most common type of anorectal abscess?