11 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
6mm); • Light-near ... Young females Differential ... dissociation • Other causes ... • Physiologic Anisocoria ... PhysicalExam #neurology #ophthalmology
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Lofgren's syndrome Ulcerative ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Defects - Differential ... pilocarpine • Tonic (Adie's ... Pupils #Defects #Differential ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Adie’s Tonic Pupil ... slightly reduced near ... Adie’s tonic pupil ... anterior_seg_rocks #Adies ... clinical #video #ophthalmology
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Skin Ulcers - Differential ... #Neck #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential # ... Diagnosis #Algorithm #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... genitals #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential # ... Diagnosis #Algorithm #causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Legs / Feet - Differential ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential # ... Diagnosis #Algorithm #causes
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum - Causes ... and Differential ... thighs RARELY ulcerate ... #Differential Diagnosis ... #Dermatology #SkinRash
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Defects - Differential ... Syphilis (light-near ... Pupils #Defects #Differential ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential # ... Diagnosis #Algorithm #causes