146 results
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 ... Sarcoidosis or Lofgren's syndrome ... #Differential # ... Diagnosis #Dermatology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential ... Defining the cause ... Pseudo-hyperaldosteronism: exogenous ... #hypokalemia #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 ... , Gitelman's Syndrome ... #Differential #
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Amenorrhea - Differential ... Polycystic Ovarian Syndrome ... Diabetes Mellitus • Exogenous ... • Empty Sella Syndrome ... endocrinology #causes
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Hypertension - Differential ... based on repeat clinic ... • Nephritic syndrome ... Steroids (Cushing's, exogenous ... Secondary #Nephrology #Differential
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Pseudo-hyperaldosteronism: exogenous ... acid, Liddle's Syndrome ... #Hypokalemia #Differential ... Algorithm #nephrology #causes
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Alkalosis: Differential ... ectopic ACTH) • Exogenous ... dehydrogenase activity ... #Diagnosis #Causes
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Membrane Disorder - Differential ... Stevens-Johnson Syndrome ... • Behcet's syndrome ... #Differential # ... Diagnosis #Algorithm #causes
Tall Stature - Differential Diagnosis Algorithm

Normal Growth (BA=CA)
 • Familial Tall Stature
 • XYY Syndrome
Obese BMI
Tall Stature - Differential ... Stature • XYY Syndrome ... Obese BMI • Exogenous ... #TallStature #Differential ... endocrinology #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... ) • Behcet's syndrome ... ulcerative #skinrash #dermatology ... #Differential # ... Diagnosis #Algorithm #causes