31 results
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... , weight loss, fever ... To Narrow Down Ddx ... #Otology #Otolaryngology ... #differential #
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... (5%): PAN > GPA ... (3%) • Infections ... lesions #diagnosis #clinical ... pathology #lesions #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tract, and often causes ... to exclude are infections ... : • Fevers • ... CTD) • ANCA (Dx
Aortitis - Diagnosis and Workup
Clinical History:
 - Fever, weight loss, deterioration of general health
 - Aortic
Diagnosis and Workup Clinical ... History: - Fever ... regurgitation - Pain ... Infections: Syphilis ... Diagnosis #Workup #Differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... Fever/Chills/Joint ... pain/Night sweats ... Weight loss - DDX
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... : • Fevers • Fatigue ... tract, and often causes ... drug exposure or Dx
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... - Vasculitis ... Red Flags: • Fever ... lesions • Severe pain
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... of necrotizing vasculitis ... Erythemas #comparison #table ... #differential #
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Inflammation and pain ... Causes: - Idiopathic ... DDX: - Pyoderma ... Leukocytoclastic vasculitis ... #dermatology #oncology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
wasting, radicular pain ... dysfunction, back pain ... Meningitis • Include: vasculitis ... neurological symptoms • Caused ... Tuberculosis #diagnosis #differential