21 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
cause of AVS and ... cause of AVS. ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... #Testing #HIT #
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Forehead Sparing = Central ... Forehead involved = Peripheral ... (2% of facial nerve ... - Unilateral: Bell's ... #neurology #sparing
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Peripheral Causes ... #Central #Causes ... #differential #diagnosis ... #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
grip weakness caused ... palsy, testing the ... flat object such as ... Palsy #clinical #video ... #orthopedics #sports
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
vs Central Lesions ... VII, the facial nerve ... #Nerve #Paralysis ... #Bells #Palsy # ... Neurology #Diagnosis
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
and Central Vertigo ... with vascular causes ... , such as with posterior ... #diagnosis #findings ... symptoms #comparison #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Dizziness and Vertigo Peripheral ... may be present Central ... with vascular causes ... #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... vertigo (BPPV) - Short-lived ... #Peripheral #Central ... #differential #diagnosis ... #neurology
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
Increased plasma cells ... Immunoglobulin light chains as ... hypoadrenalism • Nausea ... carotene levels Nerve ... Tests: • Nerve
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
disposition, even if the cause ... is peripheral. ... CNS, Central nervous ... , Head Impulse Test ... #Diagnosis #AVS