27 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... change • Neurologic ... auditory findings BPPV ... Positive Hallpike ... differential #diagnosis #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... Hallpike test: Positive ... consistent with BPPV ... ) #Vertigo #BPPV ... Labyrinthitis #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
than a minute for BPPV ... labyrinthitis • Head Position ... nose) • Head Position ... worsen with head position ... symptoms #comparison #neurology
Epley Maneuver for Treatment of BPPV
1) The patient begins in an upright sitting posture, and the
for Treatment of BPPV ... into a supine position ... remains in this position ... Epley #Maneuver #BPPV ... positional #vertigo #neurology
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
Hepatitis B Virus Serology ... immunity) - False-positive ... HepatitisB #HBV #Serology ... Interpretation #diagnosis #laboratory
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... patient in this position ... to the upright position ... DixHallpike #Maneuver #BPPV ... Instructions #Diagnosis #neurology
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
• Additional laboratory ... celiac disease with serology ... biopsy only if serology ... is positive Bidirectional
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SEROSITIS - RENAL - NEUROLOGIC ... ANA level above laboratory ... antibody level above laboratory ... determined by Positive
Dix-HaIlpike Maneuver
 • Turn head to 45° and then rapidly lay patient to a supine position
patient to a supine position ... The test is positive ... HaIlpike #Maneuver #neurology ... #vertigo #bppv
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Specificity and False Positives ... samples • False positives ... 0.5 considered positive ... dx of IA PPV ... FalsePositives #Laboratory