98 results
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Skin Ulcers - Differential ... • Melanoma Metabolic ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Causes of hypophosphatemia - Differential Diagnosis
 • Increased losses: enhanced urinary phosphate excretion
 • Decreased input:
Causes of hypophosphatemia ... - Differential ... losses: enhanced urinary ... malabsorption • Enhanced endogenous ... #Differential #
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 ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... Painless: • Primary ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Legs / Feet - Differential ... dorsalis (syphilis) Metabolic ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Headache Differential - Primary vs Secondary
A vast number of diseases can cause a headache. We divide
Headache Differential ... of diseases can cause ... headaches are caused ... by various exogenous ... #Diagnosis #Differential
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
Urine chloride < 20 mmol/l - Chloride responsive (Chloride
Causes of Metabolic ... Alkalosis - Differential ... Severe K depletion, Exogenous ... #Alkalosis #Causes ... #Differential #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential ... starts by measuring urinary ... Pseudo-hyperaldosteronism: exogenous ... #hypokalemia #differential
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash - Differential ... erythematous - Metabolic ... Vesiculobullous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Relief of prolonged urinary ... • Azotemia • Exogenous ... #Polyuria #Differential ... Diagnosis #Algorithm #causes