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127 questions
A21-year-old previously healthy woman presents with abdominal pain of 48-hour duration. The pain was initially periumbilical and on progression became localized in the right lower quadrant. The woman had nausea and a decreased appetite. She denied dysuria. Her last menstrual period was 2 weeks earlier. On examination, she was febrile (temperature 38.2°C), and was found to have localized tenderness in the right lower quadrant with guarding. Rectal examination was normal. Laboratory examination demonstrated mild leukocytosis. For the above patient with abdominal pain, select the most likely diagnosis. gastroenteritis regional enteritis acute appendicitis perforated peptic ulcer sigmoid diverticulitis acute pancreatitis
A 50-year-old man presents to the emergency department for increasing abdominal distention and jaundice over the last 46 weeks. Examination reveals mild jaundice, spider angiomas, and ascites. Enlarged veins are noted around the umbilicus. For above patient with jaundice, select the one most likely diagnosis. hepatitis A hemolysis choledocholithiasis biliary stricture
A 65-year-old postmenopausal woman relates a complaint of being excessively tired for 6 months. Her laboratory results were remarkable for a microcytic anemia. A colonoscopy followed by a biopsy revealed a mass of the right colon. After the initial biopsy, a right colectomy was performed shown in figure below. What would be the most likely diagnosis?
Apreviously healthy 19-year-old man presents to the emergency department with a penetrating wound to the right neck. There were reports of bleeding at the scene. The patient is talking, complaining of pain at the injury site and pain with swallowing. On examination, he has a normal respiratory rate, clear air entry on auscultation, blood pressure of 120/70 mmHg, and heart rate of 95 beats/min. There is a penetrating right neck wound in zone 2 (between the clavicle and the lower part of the mandible), with a surrounding hematoma. On probing, there is violation of the platysma. Which of the following is the best next step in the management of this patient?
A 35-year-old woman with a history of major depressive disorder is brought into the ED by her boyfriend. He believes she may have overdosed on pain medication in an effort to hurt herself. He gives you three medication bottles which he discovered empty and states that they were nearly full before leaving for work earlier that morning. However, the timing of the ingestion is unclear. All three of the bottles apparently held acetaminophen- containing medications. Examination of the patient reveals a tired-appearing woman complaining of nausea and right upper quadrant abdominal pain. Which of the following is the worst prognostic indicator if present in this patient?
A65-year-old man presents with a 4-day history of worsening lower abdominal pain and constipation. On examination, he is febrile (38.5°C) and has lower abdominal tenderness that is most intense in the midline and left lower quadrant associated with a palpable fullness. Laboratory findings demonstrate a moderate leukocytosis and abdominal roentgenograms show an ileus pattern. For the above patient with abdominal pain, select the most likely diagnosis. gastroenteritis regional enteritis acute appendicitis perforated peptic ulcer sigmoid diverticulitis acute pancreatitis
A 40-year-old woman presents to the emergency room with a 3-day history of worsening abdominal pain, with nausea and vomiting. Examination reveals a low-grade fever and abdominal tenderness in the right upper quadrant with guarding, especially during inspiration. Laboratory findings include a mild leukocytosis and a slightly elevated bilirubin. For the above patient with abdominal pain, select the most likely diagnosis. gastroenteritis regional enteritis acute appendicitis perforated peptic ulcer sigmoid diverticulitis acute pancreatitis
A30-year-old man presents with sudden onset of severe epigastric pain 6 hours ago. Examination reveals a low-grade fever, tender abdomen throughout, with rigidity of the abdominal usculature. Abdominal roentgenograms show pneumoperitoneum. For the above patient with abdominal pain, select the most likely diagnosis. gastroenteritis regional enteritis acute appendicitis perforated peptic ulcer sigmoid diverticulitis acute pancreatitis
A 62-year-old woman presents to the physician's office with complaints of constipation. She has had constipation for the last 6 months, which has worsened over the last month, associated with mild bloating. She noted that her stool has become "pencil thin" in the last month, with occasional blood, but she continues to have bowel movements daily. Past history is unremarkable. Examination reveals normal vital signs and heart and lung examination. Abdominal examination reveals mild fullness, especially in the lower quadrants. Rectal examination shows no rectal masses, but the stool is hematest positive. Abarium xray is obtained, and one view is shown in Figure. Which of the following is the most likely diagnosis?
A 55-year-old woman presents with a 6-month history of weight loss, abdominal cramps, and intermittent nonbloody diarrhea. On examination, her abdomen is mildly distended and there is a palpable mass in the right lower quadrant. Stool cultures yield normal fecal flora. CT scan with oral contrast demonstrates an inflammatory mass in the right lower quadrant, with thickening of the terminal ileum and ileocecal valve. Initial management should include which of the following?
Ahistory of which of the following conditions would result in the greatest increase in the likelihood of developing colon cancer?
A 45-year-old woman, mother of four children, comes to the ER complaining of the sudden onset of epigastric and right upper quadrant pain, radiating to the back, associated with vomiting. On examination, tenderness is elicited in the right upper quadrant, bowel sounds are decreased, and laboratory data show leukocytosis as well as normal serum levels of amylase, lipase, and bilirubin Which of the following is the most useful diagnostic test to confirm the diagnosis?
A 65-year-old man presents to your office for evaluation of abdominal pain. The patient states that he has epigastric pain that radiates to his back. The pain is worse with eating and improves with fasting. The pain has been present for 6 months and is gradually worsening. The patient has lost 15 lbs but feels his oral intake has been adequate. He complains of greasy stools and frequent thirst and urination. Examination reveals a thin male with temporal wasting and oderate abdominal pain with palpation. The patient consumes approximately 1015 beers per day and smokes a pack of cigarettes per day for the past 20 years. The patient's weight loss would be best treated by which of the following regimens?
A42-year-old man without prior significant medical history comes to your office for evaluation of chronic diarrhea of 12 months duration, although the patient states he has had loose stools for many years. During this time he has lost 25 lbs. The diarrhea is large volume, occasionally greasy, and nonbloody. In addition, the patient has mild abdominal pain for much of the day. He has been smoking a pack of cigarettes a day for 20 years and drinks approximately five beers per day. His physical examination reveals a thin male with temporal wasting and generalized muscle loss. He has glossitis and angular cheilosis. He has excoriations on his elbows and knees and scattered papulovesicular lesions in these regions as well. Which of the following is the most likely diagnosis for this patient?
A40-year-old man with a history of alcohol abuse presents after an episode of binge drinking. He is complaining of epigastric pain, radiating to the back, associated with nausea and vomiting. On examination, he has marked tenderness in the epigastrium, with guarding, decreased bowel sounds, and moderate abdominal distention. Laboratory findings include leukocytosis and increased serum amylase and lipase. Abdominal roentgenograms demonstrate several dilated bowel loops in the upper abdomen. For the above patient with abdominal pain, select the most likely diagnosis. gastroenteritis regional enteritis acute appendicitis perforated peptic ulcer sigmoid diverticulitis acute pancreatitis
A61-year-old man comes to your office for a checkup. He currently feels well and has no focal complaints. He has a past medical history significant for wellcontrolled hypertension, and his gallbladder was removed 3 years ago in the setting of acute cholecystitis. He does not smoke and drinks one to two alcoholic beverages per day. Family history is remarkable for colon cancer in his mother at age 45 and a brother at age 49. He has a sister who developed endometrial cancer at age 53. He has never undergone colon cancer screening and is interested in pursuing this. Which colorectal cancer screening test would be best for this patient?
A45-year-old man is brought to the emergency department after being involved in an automobile crash. He is alert and oriented, with a normal neurologic examination. His respiratory rate is 20/min, with clear lungs, pulse rate of 120/min, and blood pressure of 80/40 mmHg. On examination, he is noted to have a distended abdomen, with decreased bowel sounds, and a fracture of the right ankle. IV access is established, and the patient receives a rapid infusion of 2 L of saline, without changes to pulse rate or blood pressure. Which of the following is the most appropriate next step in his management?
A 55-year-old woman presents with a 6-month history of weight loss, abdominal cramps, and intermittent nonbloody diarrhea. On examination, her abdomen is mildly distended and there is a palpable mass in the right lower quadrant. Stool cultures yield normal fecal flora. CT scan with oral contrast demonstrates an inflammatory mass in the right lower quadrant, with thickening of the terminal ileum and ileocecal valve. Which of the following is the most likely diagnosis?
A 55-year-old woman presents with a 6-month history of weight loss, abdominal cramps, and intermittent nonbloody diarrhea. On examination, her abdomen is mildly distended and there is a palpable mass in the right lower quadrant. Stool cultures yield normal fecal flora. CT scan with oral contrast demonstrates an inflammatory mass in the right lower quadrant, with thickening of the terminal ileum and ileocecal valve. Which of the following is the best diagnostic test to confirm the diagnosis?
A75-year-old man is brought to the emergency department by his family for evaluation of jaundice. He complains of pruritus of 2 weeks' duration and a recent 10-lb weight loss. On examination, he is deeply jaundiced and has a nontender, globular mass in the right upper quadrant of the abdomen that moves with respiration. For above patient with jaundice, select the one most likely diagnosis. hepatitis A hemolysis choledocholithiasis biliary stricture