21 results
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Shift Work) Sleep ... Disorders • Neurologic ... Disorders (Eg. ... • Medications (Eg ... Excessive #Daytime #Fatigue
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
- Differential Diagnosis ... Liver Failure • Hypercalcemia ... Pulmonary Disease Neurologic ... • Drug Abuse (e.g ... Syndrome #Chronic
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... injury, Early ALS ... #differential #diagnosis ... #table #neurology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... risk factors (eg ... hypertension (eg ... hypertension (eg ... Vasculitis • Endocrinologic
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... Intercellular Shift ... Transcellular Shift ... • Cell Lysis (e.g ... Tumor Lysis Syndrome
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
vs Tumor Lysis Syndrome ... WBC >100k, + lab signs ... hydration - Hyperkalemia ... unless worrisome EKG ... #TLS #diagnosis
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
• Or brainstem syndromes ... : • CENTRAL: Fatigue ... Radiographic findings (eg ... Laboratory findings (eg ... VEP’s: EEG of visual
Renal Cell Carcinoma (RCC) - Diagnosis and Management Summary
Clinical features - Classic triad (flank pain, hematuria,
Weight loss, fatigue ... Budd Chiari syndrome ... Hypercalcemia 4 ... Recombinant cytokines (e.g ... kinase inhibitors (e.g
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
patients with SQTS Hypercalcemia ... is also associated ... this circumstance also ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... hyperphosphatemia, hypercalcemia ... mediators such as ... (e.g. incidental ... #Management #Signs