22 results
Cushing's Reflex - Pathophysiology
HYPERTENSION with a reflex BRADYCARDIA
 → ↑ ICP 
 → ↓ CBF
 →
Cushing's Reflex ... - Pathophysiology ... HYPERTENSION with a reflex ... #Pathophysiology ... #neurology #nsg
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
than a minute for BPPV ... vestibular neuritis • Nystagmus ... posterior canal BPPV ... circulation TIA • Nystagmus ... symptoms #comparison #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
examiners nose • Nystagmus ... Vertigo #diagnosis #neurology ... #bppv #comparison
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... Varies • No neurologic ... vascular causes • Nystagmus ... position change • Neurologic ... auditory findings BPPV
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of posterior semicircular canal
Ocular Nystagmus ... in PSC BPPV after ... sudhir_kothari #Ocular #Nystagmus ... #BPPV #Posterior ... ophthalmology #neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of right posterior semicircular
Ocular Nystagmus ... in PSC BPPV after ... semicircular canal BPPV ... #BPPV #Posterior ... ophthalmology #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... and torsional nystagmus ... consistent with BPPV ... ) #Vertigo #BPPV ... Labyrinthitis #diagnosis #neurology
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... Nystagmus 2. ... right ear, the nystagmus ... DixHallpike #Maneuver #BPPV ... Instructions #Diagnosis #neurology
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
• Peripheral: BPPV ... dysfunction, Meds • Reflex ... Differential #Diagnosis #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Mutism Pathophysiology ... • Corneal reflex ... • Gag reflex ... • Cough reflex ... #PhysicalExam #neurology