31 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Sarcoidosis or Lofgren's syndrome ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Diagnosis Algorithm ... ) • Behcet's syndrome ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #causes
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Diagnosis Renal ... and Gitelman syndrome ... Diuretic phase of ATN ... #diagnosis #causes ... #nephrology #magnesium
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
resistance to ADH) • ATN ... Dehydration • SIADH (syndrome ... Interpretation #diagnosis ... #differential # ... nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... - Differential ... Diagnosis Algorithm ... • Fanconi's syndrome ... #Proteinuria #Nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... (late) • High Urine ... #Diagnosis #Algorithm ... #Nephrology #Causes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... Diagnosis Framework ... #Hematuria #Differential ... #Diagnosis #causes ... #urology #nephrology
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
- Differential ... Diagnosis Framework ... Vomiting, decreased urine ... #differential # ... diagnosis #cancer
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Diagnosis Algorithm ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Diagnosis Algorithm ... Hypo-osmolar urine ... #Hyponatremia #Nephrology