63 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Sarcoidosis or Lofgren's syndrome ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... ) • Behcet's syndrome ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Causes of Generalized ... Edema - Differential ... Inflammation • Sepsis ... • Acute Respiratory ... #Generalized #Differential
Gallstone Diseases
1. Asymptomatic Stones 75%
2. Biliary Pain 20%
3. Acute Cholecystitis 10%
4. Mirizzi's Syndrome < 0.1%
5. Cholangitis/
Biliary Pain 20% ... Acute Cholecystitis ... Mirizzi's Syndrome ... Gallstone #Diseases #differential ... #diagnosis #causes
Right Upper Quadrant Pain
Liver:
 - Infectious: Acute viral hepatitis, Liver abscess
 - Non-infectious: hepatitis (Alcohol, Medications),
Upper Quadrant Pain ... ), Budd-Chiari syndrome ... abscess #RUQ #Pain ... #differential # ... diagnosis #causes
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... osmolarity If cause ... Abdominal compartment syndrome ... • Cardio-renal syndrome ... cardiac imaging #Acute
Diffuse Acute Abdominal Pain (<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac,
Diffuse Acute Abdominal ... Pain (<72 hours ... ) - Differential ... musculoskeletal causes ... Irritable bowel syndrome
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
Emergencies - Differential ... Hyperviscosity Syndrome ... , collateral venous ... Hyperuricemia • Acute ... emergencies #oncology #differential
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Bone/Joint Causes ... syndrome • Arthritis ... Immobilization) • Acute ... #differential #
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
a.k.a. cardiorenal syndrome ... a.k.a. hepatorenal syndrome ... tubular necrosis (causes ... : sepsis, meds, ... interstitial nephritis (AIN