31 results
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
lung) - CNS pathology ... - Pulmonary pathology ... Differential #Diagnosis #Table ... #Causes #Sodium
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Primary Back Pathology ... compression fracture, Pathologic ... Differential #Diagnosis #causes ... #primarycare #table
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Pathologic / Fragility ... Fragility #Fractures #Pathologic ... #MSK #Differential ... #Orthopedics #Causes
Acute Joint Pain - Vitamin CD Mnemonic
Vascular
Infectious
Trauma - Multiple injury sites, Open Fracture, Infectious joint pain
Autoimmune
Metabolic - See pathologic ... VitaminCD #Mnemonic #MSK ... differential #diagnosis #Causes
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
Disease (HADD) - MSK ... Case description ... musculoskeletal pathology ... evaluation of cuff pathology ... Radiology #diagnosis #msk
Ulcerative Colitis vs Crohn's Disease - IBD Comparison Table
Ulcerative Collitis
 - Location
IBD Comparison Table ... ileum • Most cases ... Amy Chung, MD, MSc ... IBD #Comparison #Table
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Joint • Pathologic ... Intraarticular #MSK ... #Orthopedics #Causes
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
findings Skeletal Pathology ... pathophysiology #causes ... signs #diagnosis #msk
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Optic nerve* (main cause ... neuritis due to MS ... described the "pathologic
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
countries (11-24 cases ... Americans (18-71 cases ... symptoms are not caused ... Self-limiting, chronic but stable ... anterior/posterior MSK