11 results
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Manifestations: • Infection ... spondyloarthritis (e.g ... spondyloarthritis (e.g ... #causes #primarycare ... #table
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 #checklist
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Hyaline Casts ... colored compounds (e.g ... can be either infectious ... or non-infectious ... interpretation #diagnosis
Causes of Male Infertility - Differential Diagnosis Algorithm
Sperm Transport:
 • Vasectomy
 • Cystic fibrosis gene mutation
Ejaculatory duct cysts ... (e.g. prostate) ... gonadotropins (e.g ... Genetic abnormality (e.g ... Algorithm #Causes #PrimaryCare
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
Aspergillus (IA) - Diagnosis ... immunosuppression (eg ... Non-pigmented (hyaline ... sometimes have this morphology ... considered in certain cases
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... response preceding infection ... Back or extremities ... Guillain-Barre Diagnosis ... Electrodiagnostic studies - EMG
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... at the time of diagnosis ... (e.g. incidental ... Self-limiting, chronic but stable ... fever, malaise, lack
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Distribution and Morphology ... and pruritus (e.g ... Varies with site, (e.g ... #differential #diagnosis ... #distribution #primarycare
Tongue Pathology 

Geographic tongue, fissured tongue, and hairy tongue are the most common tongue problems and
with a candidal infection ... benign lesions (e.g ... Burning mouth syndrome ... Recognition and diagnosis ... examination of tongue morphology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential Diagnosis ... Hypercoagulable (APLAS ... positive in 90% of IE cases ... Cholesterol emboli syndrome ... ↑ ESR, CRP • EKG