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A 60-year-old man presents with progressive abdominal distension. Paracentesis reveals: Ascitic albumin: 1.0 g/dL, Serum albumin: 3.5 g/dL, Total protein (ascites): 3.8 g/dL, WBC: 180/mmΒ³ (lymphocyte predominant). Most likely cause of this ascites is?
Anonymous Quiz
44%
Cirrhosis
21%
Peritoneal carcinomatosis
13%
Nephrotic syndrome
16%
Heart failure
6%
Pancreatic ascites
β€2
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A 72-year-old man with a history of recurrent diverticulitis presents with pneumaturia and recurrent UTIs. He denies abdominal pain. Which of the following statements is most accurate regarding colovesical fistula?
Anonymous Quiz
19%
Fecaluria is present in almost all patients.
29%
CT scan is more sensitive than cystoscopy for diagnosis.
11%
Antibiotic therapy is usually curative.
38%
Colorectal cancer is the most common cause in Western countries.
2%
Surgery is contraindicated in elderly patients.
β€1
Forwarded from Black Lion | School of Medicine ππ
A 65-year-old man has a right groin bulge lateral to the inferior epigastric vessels, reducible and worse with coughing. Which of the following is the most accurate?
Anonymous Quiz
32%
This is most likely a direct inguinal hernia passing through Hesselbachβs triangle.
10%
Indirect inguinal hernias are more common in older men than in young men.
7%
Femoral hernias are more common than inguinal hernias in men.
49%
Indirect inguinal hernias enter the deep inguinal ring lateral to inferior epigastric vessels.
2%
Direct inguinal hernias are usually congenital due to a patent processus vaginalis.
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A 45-year-old man presents with painless bright red rectal bleeding on defecation. On anoscopy, you see a hemorrhoid that prolapses with straining and spontaneously reduces. Which of the following statements is most accurate?
Anonymous Quiz
10%
This is a Grade I internal hemorrhoid
69%
This is a Grade II internal hemorrhoid
15%
This is a Grade III internal hemorrhoid
3%
This is a Grade IV internal hemorrhoid
2%
Hemorrhoidectomy is immediately indicated
Forwarded from Black Lion | School of Medicine ππ
A 52-year-old man has painless rectal bleeding but no prolapse. He is found to have internal hemorrhoids visible only on anoscopy. Which is the most accurate description and initial management?
Anonymous Quiz
78%
Grade I, manage with high-fiber diet and hydration
13%
Grade II, proceed to rubber band ligation immediately
6%
Grade III, manual reduction required
2%
Grade IV, urgent surgery indicated
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A 68-year-old woman with prior abdominal surgeries has vomiting, distension, constipation, and high-pitched bowel sounds. X-ray shows dilated small bowel with air-fluid levels; colon is collapsed. Which is most accurate?
Anonymous Quiz
19%
Paralytic ileus is likely; bowel sounds are typically high-pitched
10%
SBO causes uniform dilation including colon
61%
High-pitched, tinkling sounds suggest mechanical SBO
8%
X-ray cannot differentiate SBO from ileus; CT is required
1%
SBO and ileus are managed the same way
Forwarded from Black Lion | School of Medicine ππ
A 65-year-old man presents with progressive epigastric pain, early satiety, & unintentional weight loss. On endoscopy, a ulcerated lesion with raised edges is noted in the antrum, and biopsy confirms adenocarcinoma. The most accurate statement is?
Anonymous Quiz
11%
Early-stage gastric adenocarcinoma is usually symptomatic with bleeding
56%
Intestinal-type adenocarcinoma is associated with H. pylori infection and chronic gastritis
15%
Linitis plastica ommonly presents as a well-circumscribed mass in the distal stomach.
10%
Surgical resection is rarely indicated because most tumors respond to chemotherapy alone
8%
Virchowβs node (left supraclavicular) metastasis is specific for intestinal-type only
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A 72-year-old man presents with sudden-onset abdominal distension, constipation & vomiting. On examination, his abdomen is tympanic and diffusely tender, with high-pitched bowel sounds. AXR shows a βcoffee beanβ sign pointing to the RUQ. Most accurate?
Anonymous Quiz
17%
Sigmoid volvulus usually occurs in young adults
13%
The cecum is involved in the majority of sigmoid volvulus cases
49%
Initial management is endoscopic decompression if there are no signs of peritonitis
10%
Emergent surgery is always required first-line, regardless of stability
11%
A barium enema is the safest first-line diagnostic tool in acute obstruction
β€1π1
Congenital atresia of the foramina of Luschka and Magendie leads to:
Anonymous Quiz
20%
Communicating hydrocephalus
70%
Non-communicating hydrocephalus
9%
Normal pressure hydrocephalus
1%
Cerebral atrophy
A term neonate with severe unconjugated hyperbilirubinemia later develops choreoathetoid movements, vertical gaze palsy, and sensorineural deafness. Most likely site of injury?
Anonymous Quiz
17%
Cerebellar vermis
30%
Periventricular white matter
50%
Basal ganglia
4%
Hippocampus
A newborn with cyanosis shortly after birth is found to have a large VSD and an overriding aorta. The mechanism responsible for systemic desaturation is:
Anonymous Quiz
25%
Left-to-right shunting across the VSD due to high LV pressure
48%
Right-to-left shunting across the VSD into the aorta
12%
Decreased pulmonary venous return causing hypoxemia
4%
Mixing of blood at the atrial level
12%
Pulmonary venous obstruction causing reduced oxygenation
A 19-year-old athlete presents with exertional syncope. Cardiac exam reveals a harsh systolic murmur that increases with Valsalva. Where is this murmur typically loudest?
Anonymous Quiz
21%
Right upper sternal border
22%
Cardiac apex
46%
Left sternal border
4%
Infraclavicular region
7%
Left axilla
A cyanotic newborn is found to have truncus arteriosus. Chest X-ray shows an absent thymic shadow. What is the most likely underlying diagnosis?
Anonymous Quiz
11%
Turner syndrome
10%
Down syndrome
8%
Noonan syndrome
66%
DiGeorge syndrome
6%
Williams syndrome
π1
A 10-year-old child has a soft systolic murmur with no symptoms and a normal echocardiogram. The murmur becomes softer when the child stands or performs a Valsalva maneuver. What is the most likely explanation?
Anonymous Quiz
17%
Hypertrophic cardiomyopathy
7%
Aortic stenosis
10%
Ventricular septal defect
13%
Mitral valve prolapse
54%
Innocent murmur
β€1
A newborn presents with cyanosis and signs of heart failure. Cardiac exam reveals a widely split S1 and S2 with a loud S3, creating a βtriple gallop,β along with a holosystolic murmur at the left lower sternal border. What is the most likely diagnosis?
Anonymous Quiz
9%
Tricuspid atresia
37%
Ebstein anomaly
22%
Transposition of the great arteries
16%
Tetralogy of Fallot
16%
Ventricular septal defect
A 6-year-old child is asymptomatic but noted to have a systolic ejection murmur at the left upper sternal border and a wide, fixed split S2 that does not vary with respiration. Oxygen saturation is normal. What is the most likely diagnosis?
Anonymous Quiz
62%
Isolated atrial septal defect
16%
Patent ductus arteriosus
3%
Tetralogy of Fallot
15%
Pulmonic stenosis
4%
Ventricular septal defect
A 3-year-old child presents with 5 days of fever, conjunctival injection, strawberry tongue, and cervical lymphadenopathy. Kawasaki disease is suspected. Which of the following is the most appropriate next step regarding cardiac evaluation?
Anonymous Quiz
9%
Echocardiogram only if chest pain develops
11%
Echocardiogram only if troponin is elevated
68%
Echocardiogram for all patients at diagnosis
7%
No cardiac imaging unless ECG is abnormal
5%
Cardiac catheterization to screen for aneurysms
A 2-year-old child with known Tetralogy of Fallot develops sudden cyanosis and irritability while playing. The child instinctively squats. Which mechanism best explains the improvement in oxygenation?
Anonymous Quiz
20%
Decreased pulmonary vascular resistance increases left-to-right shunting
59%
Increased systemic vascular resistance reduces right-to-left shunting
15%
Increased venous return decreases RV outflow obstruction
4%
Decreased heart rate reduces myocardial oxygen demand
1%
Increased pulmonary blood volume mechanically opens the VSD