79 results
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Shift Work) Sleep ... • Neurologic ... Disorders (Eg. ... • Medications (Eg ... • Drug Abuse (Eg
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... function test, ANA (e.g ... (CVID, WAS), (neurologic ... #Workup #hematology
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Neutrophils - Differential ... Solid Tumour (e.g ... • Metabolic disorders ... #Hematology
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Differential ... (e.g. sarcoidosis ... - Medications (e.g ... renal diseases (e.g ... Diagnosis #Table #Causes
Causes of Developmental Delay - Differential Diagnosis Algorithm
Isolated Domain Delay - Reduced Respiratory Drive:
 • Cognitive
Causes of Developmental ... Delay - Differential ... (e.g. ... Landau-Kleffner Syndrome ... • Mechanical (e.g
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Pain/Post-op • Neurologic ... Uosm < 100 mmol/kg ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Pain/Post-op • Neurologic ... Uosm < 100 mmol/kg ... #Nephrology #Differential
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
• Infection (e.g ... Brain lesions (e.g ... • Psychiatric disorders ... #diagnosis #neurology ... #differential
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
- Differential ... • Thrombus (e.g ... Myeloproliferative disorders ... (eg. polycythemia ... #Hematology
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Drugs (antibiotics e.g ... Sarcoidosis or Lofgren's syndrome ... #Differential # ... Diagnosis #Dermatology