CRACKCast & Physicians as Humans on CanadiEM

CRACKCast (Core Rosen's and Clinical Knowledge) helps residents to "Turn on their learn on" through podcasts that assist with exam prep by covering essential core content. Physicians as Humans explores the struggles that physicians face and how they have overcome them. From addictions, mental health issues, and all manner of personal crises will be discussed to help let those who are currently struggling know that they are not alone. CanadiEM aims to improve emergency care in Canada by building an online community of practice for healthcare practitioners and providing them with high quality, freely available educational resources.
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CRACKCast & Physicians as Humans on CanadiEM



All Episodes
Now displaying: July, 2017
Jul 31, 2017

This episode of CRACKCast covers Rosen’s Chapter 96, Anorectal Disorders. These complaints are sensitive in nature and are not easily volunteered by patients. A sensitive and thorough history is necessary to help resolve these complaints that can be devastating to quality of life.


  • What are risk factors for the develop of symptomatic haemorrhoids?
  • Describe 4 degrees of internal hemorrhoids and indicated management options
  • Describe the management of non-thrombosed external haemorrhoid & thrombosed external hemorrhoids
  • List causes of fissures. Which type of fissure is suspicious for underlying disease?
  • Describe the treatment of anal fissures – 5 options
  • Which conditions are associated with the development of abscesses and fistulas?
  • List 5 types/sites of anorectal abscess. Which can be drained in ER?
  • What is a pilonidal cyst? How do you treat it?
  • List 8 causes of fecal incontinence.
  • List 8 causes of pruritus ani
  • Describe 6 rectal STI’s and their management
  • List conditions associated with rectal prolapse.
  • Describe the ED management of rectal foreign bodies




Mixed bag of anorectal stuff - levator ani syndrome, proctalgia fugax, radiation proctitis, hidradenitis suppurativa, and more...

Jul 27, 2017

This episode of CRACKCast covers Rosen’s Chapter 95, Large Intestine. This chapter covers a number of pathologies affecting the large colon, including their associated risk factors & complications.



  1. List features that are typical for IBS.

(Describe the Rome IV criteria and list 4 medications used to treat irritable bowel syndrome - show notes)

  1. What is the pathophysiology of diverticular disease?
  1. List clinical presentations of diverticular disease.
  1. How is diverticular disease managed in the ED? Which patients should be admitted to hospital? List 3 complications.
  1. List the types and potential causes of large bowel obstruction.
  1. What are the four types of GI volvulus? What are the risk factors for developing each type?
  1. List the extra-intestinal manifestations of IBD.
  1. What are the pathologic and clinical differences between UC and Crohn’s? 
  1. List 4 categories of medical therapy for IBD and give one example for each.
  1. Describe the radiologic features of toxic megacolon.
  1. What the potential causes of toxic megacolon?
  1. Which conditions are associated with the development of colonic ischemia? List 4 precipitants of ischemic colitis in the elderly and 3 in young patients
  1. List 4 ddx for colitis
  1. Differentiate between acute and chronic radiation proctocolitis in pathophys and clinical presentation




1) What is Ogilvie’s Syndrome? List 3 RFs

2) Compare AXR findings in SBO with LBO

3)  What is the difference between each Cecal and Sigmoid volvulus on AXR? How is management different?

4) List 3 Perianal complications and 6 Extra-intestinal manifestations of Crohn’s disease.

5) How does adult intussusception differ from peds

Jul 24, 2017

This episode covers Chapter 94 of Rosen’s Emergency Medicine 8th edition (look at chapter 84 for the 9th edition). Have you ever seen gastroenteritis? If you haven't, its probably because you aren't in emergency medicine yet... but once you are... you will.  Listen to this post to get ready for the brown winter.



  1. Describe a general approach or investigation and management for suspected infectious diarrhea in the following groups:
    1. Non-bloody diarrhea
    2. Bloody Diarrhea
  2. What are the 4 most common causes of infectious diarrhea? List 4 pathogens that a special test needs to be requested to diagnose in addition to stool C+S, O+P.
  3. Describe common infectious patterns and risk factors for each of the following
    1. Campylobacter
    2. Salmonella
    3. Shigella
    4. Yersinia
    5. Vibrio parahaemolyticus
    6. Enterohemorrhagic E. coli
  4. List 6 causes of bloody diarrhea and 5 features of illness that suggest invasive E.coli
  5. List causes of toxin-induced bacterial enteritis: 4 performed toxins, 4 in-which toxins are produced after colonization. For each, describe typical source and pattern of illness
  6. List 5 RFs for C. diff. What are 2 therapy options?
  7. List the 2 most common causes of viral gastroenteritis. Differentiate the two based on patient population and course of illness
  8. List 4 protozoal causes of gastroenteritis. For each, describe the clinical presentation
  9. List 6 causes of diarrhea in AIDS. Describe an appropriate initial work-up. What additional steps may be required?
  10. What is food poisoning?
  11. Describe an approach to the management of travelers’ diarrhea. What are 5 common causes. Which if the most common?


Jul 20, 2017

This podcast covers Chapter 93 of Rosen's 8th Edition Emergency Medicine (or Chapter 83 if you've got the new-shiny 9th edition).

All hail to the appendix. The pluto of our organs.

  1. List 8 ddx for appendicitis
  2. List 5 causes of acute appendiceal obstruction and describe the pathophysiology of appendicitis including pain location
  3. List 5 PEX findings in appendicitis. Describe how the presentation of appendicitis is different in peds, pregnant women, and elderly.
  4. List 2 advantages and disadvantages each for CT and US in the diagnosis of appendicitis. What is the sensitivity/specificity of ↑WBC
  5. Describe a clinical pathway for the diagnosis and management of appendicitis.
  6. When are antibiotics indicated?




1) Which patient groups present atypically

2) Describe the Alvarado Score and the Ped for Appendicitis

3) What are U/S findings of appendicitis?




Jul 17, 2017

This episode of CRACKCast covers Rosen’s Chapter 92 for the 8th Edition (Chapter 82 9th Edition), Small Intestine. This chapter covers the various pathologies, diagnoses and treatments of the Small Intestine.


  1. List types of mechanical bowel obstruction.
  2. What are potential etiologies of mechanical bowel obstruction?
  3. List causes of functional small bowel obstruction.
  4. List 5 lab tests useful in the dx of SBO. What findings are expected on AXR? On CT?
  5. Describe the acute management of SBO.
  6. What are the potential complications of a small bowel obstruction?
  7. List the 4 primary types of mesenteric ischemia. For each describe 4 associated factors/etiologies.
  8. Describe the classic presentation of acute mesenteric ischemia?
  9. How is mesenteric ischemia diagnosed? List 4 lab abnormalities expected in acute mesenteric ischemia. List 5 findings on AXR.
  10. What is the management approach for the different types of mesenteric ischemia?


1.What is an adynamic ileus? List at least 5 causes.
2.Which patients with SBO should receive antibiotics?
3.What are the 3 arteries supplying the GI tract? Which most common culprit in acute 4.mesenteric ischemia?

Jul 17, 2017

This episode covers Chapter 91 of Rosen’s Emergency Medicine 8th edition (or Chapter 81 of the 9th edition).


  1. List 10 ddx for pancreatitis
  2. List 10 causes of pancreatitis. Which are most common in adults? Which one is most common in pediatrics?
  3. Describe 6 management priorities in acute pancreatitis.
  4. What are the early, late and chronic complications of pancreatitis?
  5. Describe Ranson’s criteria and Atlanta criteria
  6. List causes of chronic pancreatitis. What is the best diagnostic tool? What 4 findings can be seen?
  7. Describe the management of chronic pancreatitis (6 priorities)?
  8. What is the 5 year survival of pancreatic cancer? Describe typical clinical findings. How is it diagnosed? What is the management?



  1. Specifically list 10 drug causes.
  2. List 5 causes of false-positive amylase elevation.
  3. List 4 peripancreatic/local complications of pancreatitis that may be visualized on CT
Jul 6, 2017

This episode covers Chapter 80 of Rosen's Emergency Medicine 9th edition. (Yes the new edition). Building on previous episodes (see fever, Jaundice and abdo pain), today we take a look at all things right upper quadrant badness.


1) List 8 ddx for hepatitis


2) Complete the following table for Hepatitis A, B & C: Transmission, Risk Factors, Carrier State, Acute Infection, Previous Infection, Chronic Infection, Prev Vaccine, Transmission Risk, Vaccine.


(show notes: What is hepatitis E? Where is it commonly found (geographically)? What is the significance of hepatitis D?)


3) Describe the post-exposure prophylaxis for exposure to HepA, HepB, HepC


4) Compare the expected lab work in acute viral hepatitis vs EtOH hepatitis


5) What liver diseases are associated with alcohol abuse? What non-hepatic conditions are associated with alcohol abuse? Describe the management of EtOH hepatitis


6) List 6 stigmata of chronic liver dz and list 3 complications


7) How is are chronic cirrhosis and ascites managed in the ER?


8) Describe a grading scale for hepatic encephalopathy and list 5 management considerations


9) Describe the ER diagnosis and management of SBP.


10) List 3 types of drug-induced liver disease.


11) What are two types of hepatic abscesses? How are they diagnosed and treated?


12) What is budd-chiari syndrome? How is it managed?


13) What is primary sclerosing cholangitis (PSC)? What is primary biliary cirrhosis? What is PSC associated with?


14) List 6 RFs for Cholelithiasis


15) Describe the clinical presentation of cholecystitis. List Lab, Xray (3) and US (4) findings


16) List 4 patients that get acalculous cholecystitis


17) List 4 considerations in the management of acute cholecystitis. When is surgery performed early?


18) What is the classic presentation of ascending cholangitis? What two clinical eponyms are described? How is ascending cholangitis managed?



1.. Which conditions are associated with transaminases in the 10000s?

  1. How do you approach a patient with a needlestick injury? What is the risk of transmission following a needlestick?
  2. What are underlying causes of hepatic encephalopathy in patients with known liver disease?
  3. What are the typical investigations performed on ascites fluid? What is the SAAG and how is it interpreted?
  4.  What is the significance of a calcified gallbladder?
Jul 3, 2017

This episode covers Chapter 89 of Rosen’s Emergency 8th edition (or chapter 79 of 9th edition). Great review of some old concepts already presented, add a few spritzers of new stuff.



  • List the the types of dysphagia. What is an ED approach to this condition?
  • What are 4 areas of narrowing in the esophagus that FBs get stuck?
  • List 8 causes of esophageal obstruction & List 3 therapies for a food bolus.
  • What are the indications for removal of an esophageal foreign body?
  • What are the indications for removal of a gastric foreign body?
  • List 6 causes of esophageal perforation – where does the perforation usually happen?
  • List 4 CXR findings of esophageal perforation and 3 other studies that can be performed.
  • What is the ED management of a patient with esophageal perforation?
  • List causes of esophagitis.
  • List 10 agents or conditions associated with GERD and list 3 complications of GERD
  • List 6 lifestyle modifications for someone with GERD and 3 medical therapies
  • List 6 causes of gastritis and 6 ddx
  • List the 2 main causes of PUD and describe the management of each.
  • How are prostaglandins used the setting of GI disorders?
  • What are the types of gastric volvulus? List risk factors for each. Describe the ED management.





  • Differentiate between chest pain from ACS and that of an esophageal origin.
  • What is the mechanism of NSAID toxicity in PUD? List 3 at risk populations and 2 methods of preventing PUD in these people.
  • List 4 features of chest pain in PUD and 4 complications of PUD
  • What is Borchardt’s triad?
  • Describe the mechanism of action of H2 blockers and PPIs
  • What are the potential complications of antacid use?