23 results
Red Flags in Back Pain
 • Cancer: Age > 50, History of cancer, Unexplained weight loss,
conservative therapy (e.g ... modification, NSAIDs) • Infection ... • Cauda equina syndrome ... #differential # ... diagnosis #primarycare
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Manifestations: • Infection ... spondyloarthritis (e.g ... spondyloarthritis (e.g ... #primarycare #table
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Diagnosis HEMODYNAMIC ... vasoconstriction (e.g ... inhibitors, hepatorenal syndrome ... Post-infectious ... ) • Drugs (e.g
Right Upper Quadrant Pain
Liver:
 - Infectious: Acute viral hepatitis, Liver abscess
 - Non-infectious: hepatitis (Alcohol, Medications),
Upper Quadrant Pain ... Hepatic congestion (e.g ... ), Budd-Chiari syndrome ... #differential # ... diagnosis #causes
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Cirrhosis Syndrome ... - Malignancy (e.g ... CNS pathology (e.g ... SSRIs) Severe pain ... #Diagnosis #Table
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
common cause) • Infection ... (e.g. encephalitis ... Brain lesions (e.g ... #diagnosis #neurology ... #differential
Irritable Bowel Syndrome (IBS) - Pathophysiology, Diagnosis and Management Algorithm
Risk factors: Previous acute enteric infection, Female
Pathophysiology, Diagnosis ... acute enteric infection ... (e.g. fibromyalgia ... gastrointestinal infection ... -HT4 agonists Pain
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain ... • Reactive (e.g ... Enteropathic (e.g ... Sicca) Syndrome ... Enteropathic (e.g
Causes of Male Infertility - Differential Diagnosis Algorithm
Sperm Transport:
 • Vasectomy
 • Cystic fibrosis gene mutation
Diagnosis Algorithm ... Ejaculatory duct cysts (e.g ... gonadotropins (e.g ... Genetic abnormality (e.g ... #Causes #PrimaryCare
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
draw • Severe pain ... Medication side effect (e.g ... Subclavian steal syndrome ... Medication side effect (e.g ... #Table #Causes