107 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 ... Nodosum #Mnemonic #Causes ... Differential #Diagnosis #Dermatology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... , Gitelman's syndrome ... Pseudo-hyperaldosteronism: exogenous ... diagnosis #algorithm #causes
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Polycystic Ovarian Syndrome ... Diabetes Mellitus • Exogenous ... Hyperprolactinemia Organic Cause ... • Empty Sella Syndrome ... endocrinology #causes
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
Urine chloride < 20 mmol/l - Chloride responsive (Chloride
Causes of Metabolic ... Severe K depletion, Exogenous ... BP = Bartter's Syndrome ... , Gitelman's Syndrome ... Metabolic #Alkalosis #Causes
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... ectopic ACTH) • Exogenous ... dehydrogenase activity ... loop diuretics actively ... Differential #Diagnosis #Causes
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Secondary Causes ... • Nephritic syndrome ... Excess: • Conn's syndrome ... Licorice • Liddle's syndrome ... Steroids (Cushing's, exogenous
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Pseudo-hyperaldosteronism: exogenous ... acid, Liddle's Syndrome ... R - Cushing's syndrome ... , Gitelman's syndrome ... Algorithm #nephrology #causes
Cutaneous Manifestations of Monoclonal Gammopathy
 • Extravascular lg Deposits: Systemic amyloidosis, Nodular amyloidosis, Macroglobulinoderma, Follicular hyperkeratotic
• Autoantibody activity ... secretion: POEMS syndrome ... , Syndrome Schnitzler ... cutis laxa, TEMPI syndrome ... manifestations #dermatology
Tall Stature - Differential Diagnosis Algorithm

Normal Growth (BA=CA)
 • Familial Tall Stature
 • XYY Syndrome
Obese BMI
Stature • XYY Syndrome ... Obese BMI • Exogenous ... • Soto's Syndrome ... • XYY Syndrome ... endocrinology #causes
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Blisters - Primary Dermatologic ... Stevens-Johnson Syndrome ... • Behcet's syndrome ... MucousMembranes #dermatology ... Diagnosis #Algorithm #causes