20 results
Primary and Secondary Headache Types - Differential Classification

- By Dr. Eric Strong @DrEricStrong

#Headaches #Primary #Secondary #Types
- Differential ... Classification ... #Differential # ... Diagnosis #Classification ... #Table
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... Diagnosis Algorithm ... Painless: • Primary syphilis ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Legs / Feet - Differential ... Diagnosis Algorithm ... Tabes dorsalis (syphilis ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Psittacosis, Bartonella, Syphilis ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... Diagnosis Algorithm ... Tabes dorsalis (syphilis ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Diagnosis Poor ... and 2, but not type ... #Potassium #Table ... #Classification
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Anemia (AIHA) - Differential ... Diagnosis Table ... Disease Mixed-type ... #Diagnosis #Table ... #hematology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Lymphadenopathy - Differential ... Diagnosis Algorithm ... • Secondary Syphilis ... #Causes #Hematology ... #Oncology
Types of Melanoma
Superficial Spreading
 • Most common form
 • Often develops in previously benign mole
 •
Types of Melanoma ... • Most common type ... #differential # ... diagnosis #classification ... #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash - Differential ... Diagnosis Algorithm ... • Secondary Syphilis ... Papulosquamous #SkinRash ... #dermatology #Differential