29 results
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Diagnosis Primary ... (e.g. ankylosing ... spondyloarthritis (e.g ... #primarycare #table
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint Pain ... Hyperparathyroidism • Facial ... disease, Vasculitis (e.g ... #differential # ... diagnosis #rheumatology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain ... - Differential ... • Reactive (e.g ... Enteropathic (e.g ... Enteropathic (e.g
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
Onset 50 yrs - Cranial ... - Abdominal pain ... #Differential # ... Diagnosis #Cardiology ... #Table
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
joint trauma (e.g ... subchondral bone (e.g ... derangements (e.g ... approach #workup #differential ... #diagnosis #arthritis
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... Pulmonary pathology (e.g ... SSRIs) Severe pain ... #Diagnosis #Table
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... draw • Severe pain ... Medication side effect (e.g ... Medication side effect (e.g ... #Table #Causes
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
not be subtle e.g ... very remarkable w/differential ... E.g. 80 yo ESR cutoff ... claudication: pain ... Treatment of GCA
Mesenteric Ischemia - Differential Diagnostic Schema
Chronic: ASCVD, Venous, Vasculitides 5% (PAN, [E]GPA, IgA, MPA)
Acute
 - Venous
Mesenteric Ischemia - Differential ... Diagnostic Schema ... Vasculitides 5% (PAN ... inflammation (e.g ... hypovolemia), Meds/Treatments
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
hyper-reactivity of coronary arteries ... anginal chest pain ... tolerance • Pain ... changes on tele/ECG ... tests in cath lab Treatment