22 results
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Head Impulse Test ... Nystagmus Test ... #PhysicalExam #Testing ... Vertigo #Central #Peripheral ... #Neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central from Peripheral ... following a finger) • Test ... Vertigo #diagnosis #neurology ... #bppv #comparison ... #table
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Characteristics of Peripheral ... Central Vertigo PERIPHERAL ... than a minute for BPPV ... Findings: Rarely #Peripheral ... symptoms #comparison #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... patients with a peripheral ... a stand-alone test ... #PhysicalExam #Neurology ... #HeadImpulse #Testing
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Dizziness and Vertigo Peripheral ... Varies • No neurologic ... auditory findings BPPV ... or supine roll test ... differential #diagnosis #neurology
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... Reflects response to treatment ... Celiac #Disease #Testing ... #Diagnosis #Workup ... #Table
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... plateletcount), peripheral ... smear, HIV/HCV testing ... K), H. pylori test ... (CVID, WAS), (neurologic
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... 45° towards the test ... throughout the test ... DixHallpike #Maneuver #BPPV ... Instructions #Diagnosis #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Central Vertigo PERIPHERAL ... positional vertigo (BPPV ... #Peripheral #Central ... differential #diagnosis #neurology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Hematuria, Hemoptysis, Peripheral ... Disease-specific testing ... , biopsy By Tess ... differential #diagnosis #nephrology