10 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 ... syndrome Ulcerative Colitis ... #Differential # ... #Dermatology #SkinRash
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
patient) - 90% - Differential ... • Metabolic Causes ... Impacted Cerumen • Otitis ... #subjective #Differential ... Diagnosis #Algorithm #Causes
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum - Causes ... and Differential ... the areas during healing ... #Differential Diagnosis ... #Dermatology #SkinRash
Conductive Hearing Loss - Differential Diagnosis Algorithm

Normal Otoscopy - Middle Ear:
 • Otosclerosis
 • Congenital (Ossicular
Conductive Hearing ... Loss - Differential ... Foreign Body • Otitis ... #HearingLoss #Differential ... Diagnosis #Algorithm #Causes
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... foreign body ○ Otitis ... disruption ○ Otitis ... cause unknown) ... #Loss #Differential
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash - Differential ... distribution, sparing ... #Pustular #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... • Coumadin • Heparin ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Pain (Otalgia) - Differential ... media • Otitis ... external ear, sparing ... the tragus to differentiate ... Otolaryngology #differential
Causes of Toxic Megacolon - Differential Diagnosis Framework
 • Inflammatory Bowel Disease: Ulcerative colitis, Crohn's colitis
Causes of Toxic ... Megacolon - Differential ... Overdistension at colonoscopy ... Toxic #Megacolon #Differential ... #Diagnosis #Causes
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash - Differential ... border, central clearing ... Papulosquamous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes