29 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Nodosum - Mnemonic ... NO cause found ... syndrome Ulcerative Colitis ... #Erythema #Nodosum ... #Differential #
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... the areas during healing ... #Causes #Differential ... Dermatology #SkinRash #Clinical
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... Nodosum Common ... enteritis, ulcerative colitis ... #Causes #Differential ... #Diagnosis #Clinical
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
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
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
Etiologies of Hypoaldosteronism

Hyporeninemic Hypoaldosteronism (Low Renin, Low Aldosterone)
 - Diabetic Nephropathy 
 - NSAIDs
Non-Hyporeninemic Hypoaldosteronism (Normal
Inhibitors - Chronic heparin ... insufficiency - Critical ... Hypoaldosteronism #Differential ... Comparison #Table #Causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
to heat (fires, heating ... pads, heating blankets ... Haverhill fever caused ... medications Erythema nodosum ... comparison #table #differential