11 results
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... Psychological stress ... Diffuse #Focal #HairLoss ... #Alopecia #dermatology ... Diagnosis #Algorithm #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Lithium • Stress ... Scaling, pustules, crusts ... Major psychologic stress ... Differential #Diagnosis #dermatology ... #Hairloss
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
• Lithium - Stress ... Psychological stress ... #Diffuse #HairLoss ... #Alopecia #dermatology ... Diagnosis #Algorithm #causes
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Focal / Localized Hair ... • Congenital hair ... Secondary syphilis #HairLoss ... #Localized #dermatology ... Diagnosis #Algorithm #causes
Primary Dermatologic Nail Disorders - Differential Diagnosis Algorithm
Nail Plate - Pitting
 • Psoriasis
 • Alopecia Areata
Nail
Primary Dermatologic ... Psoriasis • Alopecia ... / Black Linear Streak ... NailDisorders #Primary #dermatology ... Diagnosis #Algorithm #causes
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
areas -> Scaring alopecia ... inflammation onto hair ... follicles -> causes ... Destruction of hair ... Manifestations #pathophysiology
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
over areas of stress ... Auto-immune attack on hair ... follicles -> Alopecia ... inflammation tends to cause ... RheumatoidArthritis #RA #pathophysiology
Anticonvulsants as Mood Stabilizers: Mechanism and Side-effect
Examples: Valproate, Carbamazepine, Lamotrigine
 • Mild anticholinergic effect -> Drowsiness
Systemic effect -> Nausea ... , weight gain, alopecia ... #SideEffects #Pathophysiology ... #Psychiatry #Pharmacology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
blood donor • Pathophysiology ... without other cause ... transfusion • Pathophysiology ... of (Acute resp distress ... Transfusion #Reactions #hematology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... lat decubitus - air ... Aeruginosa - Strep ... #differential #causes