Primary sclerosing cholangitis can look quiet at first, but it carries major shelf-level consequences. If you see a young man with cholestatic labs, pruritus, and ulcerative colitis, this is the diagnosis you need to catch.

In this episode of Surgery Shelf Prep, we break down the classic presentation of primary sclerosing cholangitis, why Magnetic Resonance Cholangiopancreatography is the key test, and how to separate it from primary biliary cholangitis, autoimmune hepatitis, and other causes of jaundice. We also cover the highest-yield complications, including ascending cholangitis, cholangiocarcinoma, cirrhosis, fat-soluble vitamin deficiency, and the increased colon cancer risk seen with inflammatory bowel disease.

This is a must-know hepatobiliary topic for the surgery shelf. Tune in and lock in the beads-on-a-string pattern, the ulcerative colitis association, and the management pathway from supportive care to liver transplant

Pyogenic liver abscess can look subtle at first, but on the shelf it is a big-time diagnosis. Fever, right upper quadrant pain, leukocytosis, and a rim-enhancing liver lesion should make you think fast.

In this episode of Surgery Shelf Prep, we break down pyogenic liver abscess in a clear, high-yield way. You will learn the classic presentation, the major routes of infection to the liver, the most important organisms, how to separate pyogenic abscess from amebic liver abscess, and when management requires antibiotics alone versus percutaneous drainage.

We also cover: How biliary disease, portal spread, and bacteremia lead to liver abscess Why diabetes is a major risk factor What imaging findings matter most The best antibiotic combinations to know for the shelf The key complications, including rupture, empyema, sepsis, and the colorectal cancer association

Perfect for medical students preparing for the Surgery Shelf and anyone who wants a clean, organized review of this high-yield hepatobiliary topic.

Hit play and lock in one of the most testable liver infections in surgery.

Abnormal liver function tests can feel like a mess—until you learn the pattern. In this episode of Surgery Shelf Prep, we break down how to approach elevated liver labs the way the shelf wants: fast, organized, and high-yield.

Chris and Mars walk through the three major liver injury patterns: cholestatic, hepatocellular, and mixed. You’ll learn how to use the lab pattern to narrow the differential, when to order a Right upper quadrant ultrasound first, how to spot dangerous causes like ascending cholangitis or acute liver failure, and how to avoid common traps like isolated bilirubin or isolated aspartate aminotransferase elevation.

We cover: How to classify abnormal liver tests quickly When alkaline phosphatase points to obstruction Why gamma glutamyl transpeptidase helps confirm liver origin The meaning of the aspartate aminotransferase to alanine aminotransferase ratio When massive transaminase elevation suggests ischemia or drug toxicity How albumin and international normalized ratio reflect liver synthetic function

Perfect for medical students who want a clean, testable framework for liver questions on the Surgery Shelf Exam.

Listen in and learn how to turn confusing liver labs into easy shelf points.

Complications of cirrhosis can show up in a lot of different shelf-style ways, and this episode helps you organize them fast. In this high-yield review, Chris and Mars walk through the major complications every medical student needs to know: ascites, spontaneous bacterial peritonitis, esophageal varices, hepatic encephalopathy, hepatorenal syndrome, and hepatocellular carcinoma.

They break down the classic presentations, the core pathophysiology, and the next-step management that shows up on exam questions, including paracentesis, ascitic neutrophil thresholds, octreotide, lactulose, rifaximin, TIPS, and liver cancer surveillance. Perfect for a quick but focused Surgery Shelf review.

Cirrhosis can look slow and chronic on the surface, but on shelf questions it shows up with big consequences fast. If you do not recognize the clues behind ascites, varices, encephalopathy, and spontaneous bacterial peritonitis, this topic can absolutely trip you up.

In this episode of Surgery Shelf Prep, Chris and Mars break down cirrhosis in a clear, high-yield way for the surgery shelf exam. They walk through the classic presentation, the pathophysiology behind portal hypertension and liver failure, and the major complications you need to know cold, including ascites, esophageal varices, hepatic encephalopathy, and hepatorenal syndrome.

You will learn how to approach diagnosis, when to perform paracentesis, how to interpret a high serum ascites albumin gradient, and why the spironolactone to furosemide ratio matters. They also cover screening for hepatocellular carcinoma, the role of lactulose, beta blockers, and T I P S, and when liver transplant becomes the definitive answer.

Perfect for medical students who want a structured, test-focused review that makes cirrhosis feel manageable, logical, and high yield. Keep studying and get ready to lock this one in.

GERD is one of those shelf topics that seems simple, but the exam loves to test the complications, alarm symptoms, and when surgery becomes the answer.

In this episode of Surgery Shelf Prep!, Chris and Mars break down the classic presentation of gastroesophageal reflux disease, including heartburn, regurgitation, and symptoms that get worse at night or when lying down. They walk through the pathophysiology of lower esophageal sphincter dysfunction, the stepwise treatment approach from antacids to proton pump inhibitors, and the high-yield indications for endoscopy.

You will also review major complications like esophagitis, peptic stricture, Barrett esophagus, and esophageal adenocarcinoma, plus the key shelf differentials such as achalasia, eosinophilic esophagitis, pill esophagitis, and cardiac chest pain.

Perfect for medical students who want a fast, organized, high-yield review of GERD for the Surgery Shelf Exam.

Groin bulge on the shelf? Don’t get trapped by the anatomy. In this episode of Surgery Shelf Prep!, Chris and Mars break down inguinal hernias in a fast, high-yield way that helps you separate indirect from direct, recognize the classic exam clues, and know when a hernia becomes an emergency.

You’ll learn how to use the inguinal ligament and inferior epigastric vessels to classify hernias, why indirect hernias can track into the scrotum, how direct hernias push through Hesselbach triangle, and which findings suggest incarceration or strangulation. This episode also reviews the key differential diagnoses, when imaging helps, and the management pathway from watchful waiting to urgent surgery.

Perfect for medical students who want a clean, shelf-focused review of one of the most tested surgery topics.

Hiatal hernias are a classic Surgery Shelf topic because the exam loves the distinction between sliding and paraesophageal hernias. In this episode, Chris and Mars break down the anatomy, the classic symptom patterns, and the key test-taking question: who has reflux and who needs surgery.

They cover the high-yield differences between sliding hiatal hernias, which are common and usually cause GERD symptoms, and paraesophageal hernias, which are less common but more dangerous because of risks like volvulus, incarceration, strangulation, bleeding, and respiratory compromise. The episode also reviews diagnosis with barium swallow and endoscopy, plus when to manage medically versus when surgical repair is required.