21 results
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Causes of Proximal ... Inflammatory Myopathy • Central ... or peripheral neurologic ... disease • Myasthenia ... #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS and ... cause of AVS. ... #PhysicalExam #Neurology ... #Testing #HIT #
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
plateletcount), peripheral ... smear, HIV/HCV testing ... K), H. pylori test ... (CVID, WAS), (neurologic ... #Workup #hematology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Dizziness and Vertigo Peripheral ... may be present Central ... with vascular causes ... positional episodes caused ... Méniére's disease
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
and Central Vertigo ... PERIPHERAL VERTIGO ... tinnitus (Méniére's disease ... with vascular causes ... symptoms #comparison #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... PERIPHERAL VERTIGO ... Vascular disorders ... #Peripheral #Central
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
Causes of Tremors ... - Movement Disorders ... multiple sclerosis) Resting ... Tremor - Occurs at Rest ... MovementDisorders #Neurology
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... Case Control ( ... control): odds ... probability of getting ... ; knowledge of disorder
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... for glomerular disease ... C3, C4 - Test for ... infections are common causes ... of glomerular disease
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
cascade is intact - test ... discern these causes ... liver function tests ... fibrinogen levels, and testing ... Differential #Diagnosis #Hematology