238 results
Headache Differential - Primary vs Secondary
A vast number of diseases can cause a headache. We divide
Headache Differential ... of diseases can cause ... headache is the disorder ... headaches are caused ... Primary #Secondary #Table
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Daytime Sleepiness - Differential ... Restless Legs Syndrome ... Hypoventilation Syndrome ... Diagnosis #Algorithm #Causes
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
nervous system (CNS ... diagnosis and treatment ... Inflammatory causes ... optica spectrum disorder ... #inflammatory #differential
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... Lymphadenopathy, CNS ... o CML - bcr-able ... o Other bcr-able ... hematology #Markers #Differential
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... • Rheumatic disorders ... Damage: • Post-op surgery ... effect following treatment
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... • CNS: parietal ... (Many causes!) ... • Psychiatric disorders ... diagnosis #neurology #differential
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Hypernatremia - Differential ... Malignancy - CNS ... Hypernatremia #Differential ... #Diagnosis #Table ... #Causes
Causes of Developmental Delay - Differential Diagnosis Algorithm
Isolated Domain Delay - Reduced Respiratory Drive:
 • Cognitive
Causes of Developmental ... Delay - Differential ... Developmental Delay: • Syndromic ... Landau-Kleffner Syndrome ... Diagnosis #Algorithm #Causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Splenomegaly - CTD ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Vasculopathy #Purpura #Differential
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Causes of Sudden ... Drugs, Electrolyte disorders ... • WPW syndrome ... Arrest #cardiology #differential ... #diagnosis #causes