15 results
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Sleep Deprivation (Eg ... • Neurologic ... Disorders (Eg. ... • Medications (Eg ... • Drug Abuse (Eg
Principal patterns of loss of sensation.
 (a) Thalamic lesion: sensory loss throughout opposite side (rare).
Central cord lesion, e.g ... column lesion, e.g ... root lesions, e.g ... #Diagnosis #Neurology ... Sensation #Loss #Deficit
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... , ANA (e.g., SLE ... (CVID, WAS), (neurologic ... not required in all
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Diagnosis Algorithm ... Mineralization Defect ... • Bone Marrow Disorder ... Malignancy • Drugs (e.g ... Fractures #Pathologic #MSK
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
Tremors - Movement Disorders ... - Differential ... Cerebellar Disease (e.g ... Tremor - Occurs at Rest ... MovementDisorders #Neurology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
of Polyuria - Differential ... Diagnosis Algorithm ... concentration (e.g ... GI Bleed) • NaCl ... #Differential #
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
younger than other ACS ... other vasospastic disorders ... changes on tele/ECG ... perform provocative tests ... #diagnosis #management
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
Afferent pupillary defect ... impairment, Mood disorder ... Radiographic findings (eg ... Laboratory findings (eg ... VEP’s: EEG of visual
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
inflammatory disease (e.g ... Chemistry profile (e.g ... metabolic or endocrine disorders ... (to support a diagnosis ... laboratory #workup #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... segment at (or 40-60 ms ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #