63 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Mnemonic NO cause ... Drugs (antibiotics e.g ... Sarcoidosis or Lofgren's syndrome ... #Differential # ... Diagnosis #Dermatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Toxic Damage (e.g ... Displacement (e.g ... Non-lmmune: • HELLP Syndrome ... Foreign Surface (e.g ... #Hematology
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Causes of Pediatric ... Constipation - Differential ... Withholding • Painful (e.g ... Guillain-Barré Syndrome ... #Peds #Pediatrics
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... function test, ANA (e.g ... (CVID, WAS), (neurologic ... #Workup #hematology
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Shift Work) Sleep ... Disorders • Neurologic ... Disorders (Eg. ... • Medications (Eg ... • Drug Abuse (Eg
Causes of Developmental Delay - Differential Diagnosis Algorithm
Isolated Domain Delay - Reduced Respiratory Drive:
 • Cognitive
Causes of Developmental ... Delay - Differential ... Teratogenic Disorder (e.g ... • Mechanical (e.g ... #Peds #Pediatrics
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Neoplastic / Hematologic ... Chronic Obstructive Pulmonary ... Disease Neurologic ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... • Infection (e.g ... Brain lesions (e.g ... #diagnosis #neurology ... #differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... High altitude (eg ... respiratory drive due to neurologic ... Intrapulmonary shunting (eg ... intracardiac shunting (eg
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Pain/Post-op • Neurologic ... • Drugs • Pulmonary ... Uosm < 100 mmol/kg