12 results
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... = Primary Skin Lesions ... • Arthropod bites ... No Primary Skin Lesion ... secondary #systemic #generalized
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... Fire ant bites ... Acute generalized ... #Differential #
Pruritus - Primary Skin Lesion - Differential Diagnosis Algorithm
Macules / Papules / Plaques:
 • Xerosis (dry
- Primary Skin Lesion ... - Differential ... • Arthropod bites ... #dermatology #Differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Muscle weakness (generalized ... Space occupying lesions ... venom from animal bites ... #Weakness #Differential
Nodular lymphangitis - Causes of Sporotrichoid Lesions
 • Sporothrix schenckii - Gardening, soil, splinters, animal bites/scratches
Sporotrichoid Lesions ... splinters, animal bites ... traveling in endemic regions ... Sporotrichoid #Lesions ... #differential #
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Generalized: • ... pulmonary • Janeway lesions ... Marantic (NTBE) Differential ... or destructive lesion ... destructive penetrating lesions
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
fingernails (may be generalized ... hyperkeratotic lesions ... extremities - Lesions ... pruritus • Insect bites ... dermatology #rash #differential
Scleroderma Like Conditions - Differential Diagnosis
Eosinophilic Fasciitis:
 - Orange peel induration (peau d'orange) of proximal extremities
Like Conditions - Differential ... planus-like skin lesions ... or localized or generalized ... #Scleroderma #Differential
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Generalized distal ... Cation exchange resins ... Metabolic #Acidosis #differential
Genital Ulcers - Atypical causes of genital ulcers that can be difficult to diagnose & manage.
dark field and biops ... Lipschutz ulcer Vulvar lesions ... Atypical #causes #differential