102 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Sarcoidosis or Lofgren's syndrome ... #Differential # ... Diagnosis #Dermatology
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
/year per 100,000 ... retinal ischemia Causes ... TerrierBen #Uveitis #Causes ... Classification #Differential ... #Diagnosis #Ophthalmology
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Amenorrhea - Differential ... Polycystic Ovarian Syndrome ... • Empty Sella Syndrome ... Diagnosis #Algorithm #endocrinology ... #causes
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Syphilis (light-near ... Midbrain (Parinaud's Syndrome ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Virilization - Differential ... • Cushing's Syndrome ... #Virilization #Differential ... Diagnosis #Algorithm #endocrinology ... #causes
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Membrane Disorder - Differential ... Stevens-Johnson Syndrome ... • Behcet's syndrome ... #Differential # ... Diagnosis #Algorithm #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... ) • Behcet's syndrome ... ulcerative #skinrash #dermatology ... #Differential # ... Diagnosis #Algorithm #causes
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
6mm); • Light-near ... Holmes-Adie Syndrome ... Young females Differential ... dissociation • Other causes ... PhysicalExam #neurology #ophthalmology
Conductive Hearing Loss - Differential Diagnosis Algorithm

Normal Otoscopy - Middle Ear:
 • Otosclerosis
 • Congenital (Ossicular
Hearing Loss - Differential ... Tumors (SCC) • Dermatologic ... Middle Ear: ... #HearingLoss #Differential ... Diagnosis #Algorithm #Causes
Hirsutism - Differential Diagnosis Algorithm
RAPID ONSET
Medications
 • Steroids
 • Danazol
 • Progestin Containing Contraceptives
Increased Serum Testosterone
Hirsutism - Differential ... Polycystic Ovarian Syndrome ... • Cushing's Syndrome ... Diagnosis #Algorithm #endocrinology ... #causes