11 results
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... Systemic and Primary Causes ... = Primary Skin Lesions ... • Arthropod bites ... No Primary Skin Lesion
Pruritus - Primary Skin Lesion - Differential Diagnosis Algorithm
Macules / Papules / Plaques:
 • Xerosis (dry
- Primary Skin Lesion ... - Differential ... • Arthropod bites ... #dermatology #Differential ... Diagnosis #Algorithm #causes
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 #
Nodular lymphangitis - Causes of Sporotrichoid Lesions
 • Sporothrix schenckii - Gardening, soil, splinters, animal bites/scratches
lymphangitis - Causes ... Sporotrichoid Lesions ... splinters, animal bites ... #lymphangitis #Causes ... #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
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Metabolic Acidosis Causes ... Generalized distal ... Cation exchange resins ... Metabolic #Acidosis #differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Generalized: • ... Septic Emboli Cause ... Marantic (NTBE) Differential ... Treat underlying cause ... or destructive lesion
Genital Ulcers - Atypical causes of genital ulcers that can be difficult to diagnose & manage.
Ulcers - Atypical causes ... dark field and biops ... Lipschutz ulcer Vulvar lesions ... Ulcers #Atypical #causes ... #differential #
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
fingernails (may be generalized ... hyperkeratotic lesions ... honey-colored crusts ... pruritus • Insect bites ... dermatology #rash #differential
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
No Primary Skin Lesion ... - Differential ... secondary #systemic #generalized ... #dermatology #Differential ... Diagnosis #Algorithm #causes