Surgery Shelf Prep!

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...

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...

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...

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 th...

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. Th...

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 pathop...

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 ind...

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...

Achalasia can be tricky, and it is absolutely fair game for the Surgery Shelf. In this episode of Surgery Shelf Prep!, Chris and Mars break down the classic presentation of progressive dysphagia to both solids and liquids, regurgitation of undigested food, chest pain, and weight loss. They walk through the key pathophysiology of failed lower esophageal sphincter relaxation and loss of distal esoph...

In this episode of Surgery Shelf Prep , Chris and Mars break down esophageal perforation, a rare but life-threatening emergency classically seen after forceful vomiting or esophageal instrumentation. They review the classic presentation of sudden severe chest pain, dyspnea, and subcutaneous emphysema, explain why mediastinal contamination can rapidly lead to sepsis, and walk through the high-yield...

Pancreatic cancer can look subtle at first, but on the shelf it is a major diagnosis you cannot miss. Painless jaundice, weight loss, dark urine, pale stools, back pain, and Trousseau syndrome should all make you think pancreatic ductal adenocarcinoma fast. In this episode of Surgery Shelf Prep, Chris and Mars walk through the classic presentations of pancreatic head versus body and tail tumors, t...

Burning epigastric pain, meal-related symptoms, and sudden complications like bleeding or perforation make peptic ulcer disease a classic Surgery Shelf topic. In this episode, Chris and Mars break down the two major causes, Helicobacter pylori and nonsteroidal anti-inflammatory drugs, then walk through the key differences between gastric and duodenal ulcers, how to diagnose them, and when to use e...

Pancreatitis is a classic Surgery Shelf topic because the exam loves the presentation, the diagnosis criteria, and the management steps. In this episode, Chris and Mars break down acute versus chronic pancreatitis, the major causes like gallstones, alcohol, and hypertriglyceridemia, and the key diagnostic rule of needing two of three criteria for acute pancreatitis. They also cover the high-yield...

Gastrointestinal bleeding is a must-know Surgery Shelf topic because the first step is always the same: decide if it is an upper bleed or a lower bleed, then determine how sick the patient is. In this episode, Chris and Mars break down the classic presentations of hematemesis, melena, and hematochezia, then walk through the most important causes like peptic ulcer disease, varices, diverticulosis,...

Crampy abdominal pain, vomiting, abdominal distension, and obstipation? That is classic Small Bowel Obstruction, and this is one of the most high-yield Surgery Shelf topics because the exam loves to test both recognition and urgency. In this episode, Chris and Mars walk through the textbook presentation, the most common causes like adhesions and hernias, and the key pathophysiology behind bowel di...

Rectal prolapse looks obvious… until the shelf exam tries to trick you with hemorrhoids, mucosal prolapse, and the wrong operation. In this episode of Surgery Shelf Prep, Chris and Mars break down rectal prolapse step-by-step: how to identify it fast using concentric versus radial folds, why adults need colonoscopy to rule out a lead point malignancy, and how to choose the right surgery based on p...

Hemorrhoids are common and easy points—but they’re a high-yield shelf exam trap, especially when the question is really testing anatomy, rectal bleeding workup, and when to escalate treatment. In this episode of Surgery Shelf Prep, Chris and Mars break down internal versus external hemorrhoids using the dentate line, the classic “painless dripper” versus “painful blueberry” presentations, and the...

Anal cancer is the classic “hemorrhoids” misdirection—and the shelf loves it. If you miss the risk factors, the lymph node drainage, or the treatment algorithm, you’ll bleed points fast. In this episode of Surgery Shelf Prep, Chris and Mars break down the high-yield presentation, key risk factors like Human Papillomavirus and Human Immunodeficiency Virus, why the dentate line predicts inguinal nod...

Anorectal pain with fever is a surgery shelf trap you can’t afford to miss. If the skin looks normal but the digital rectal exam is exquisitely tender, think deep abscess—then move fast. In this episode of Surgery Shelf Prep, Chris and Mars break down perianal versus perirectal abscesses, the cryptoglandular origin at the dentate line, when imaging is actually needed, and the non-negotiable manage...

Ogilvie Syndrome can fool you: the colon looks obstructed, the belly is huge, but there’s no mechanical blockage. In this episode of Surgery Shelf Prep, Chris and Mars break down Acute Colonic Pseudo-Obstruction with the exact shelf-style framework you need—classic patient scenarios, key imaging findings, critical cecal diameter cutoffs, and the stepwise treatment algorithm from conservative manag...

Colonic volvulus can go from “constipated and uncomfortable” to “ruptured and crashing” fast. If you cannot instantly tell sigmoid from cecal and know the next best step, the shelf will absolutely punish you. In this episode, Chris and Mars walk through the two big volvulus patterns you must recognize: the elderly, constipated nursing home patient with sigmoid volvulus, and the younger patient wit...

Rectal cancer is where anatomy, oncology, and surgical decision-making all collide. In this episode, learn when to order pelvic MRI, when to give neoadjuvant chemoradiation, and when to choose Low Anterior Resection versus Abdominoperineal Resection. Listen as Chris and Mars walk you through rectal cancer from first symptom to definitive surgery, with a tight focus on staging, local control, and t...

Colon cancer is one of the highest-yield topics on the Surgery Shelf and Step 2 Clinical Knowledge – and one of the easiest places to lose points on subtle traps. This episode walks you through exactly how exam writers expect you to think, so you can move faster and more confidently on test day. In this episode, Chris and Mars break down colon cancer from the ground up: how it presents, how to wor...

Ischemic colitis is one of the highest-yield gastrointestinal emergencies on the Surgery Shelf — and if you don’t know how to spot it fast, you’ll miss the diagnosis both on exams and in real life. In this episode, Chris and Mars break down everything you need to recognize, diagnose, and manage ischemic colitis with complete confidence. From classic elderly patients with low-flow states to the wat...

Diverticulitis is one of those “can’t-miss” shelf exam topics that shows up again and again — and this episode breaks it all down so you’ll never confuse uncomplicated inflammation with a life-threatening perforation. Chris and Mars walk through classic patient presentations, imaging pitfalls, and management strategies — from outpatient antibiotics to emergent surgery. You’ll also learn how to mas...