27 results
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... symptoms, this ... worrisome for a CENTRAL ... Bidirectional #Nystagmus ... Positive #Neurology #Central
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
vomiting, auditory symptoms ... unidirectonal nystagmus ... Bone Fracture Central ... /signs, bidirectional ... nystagmus - Infection
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Peripheral and Central ... CENTRAL VERTIGO ... 67% had headache ... varying neurologic signs ... #Peripheral #Central
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
Latency (delay in nystagmus ... symptoms in head-hanging ... and torsional nystagmus ... and nystagmus escalates ... testing #findings #signs
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... #findings #signs ... #symptoms #comparison
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... may be present Central ... vascular causes • Nystagmus ... No auditory symptoms ... Long symptom-free
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
Labyrinthitis 1) Vertigo ... vestibular CN VIII • Nystagmus ... Labyrinthitis #Diagnosis #Symptoms ... #Signs #Otolaryngology
CLINICAL MANIFESTATIONS 
OF ADRENAL INSUFFICIENCY. 

Primary and secondary adrenal insufficiency:
 - Tiredness, weakness, mental depression
thyroid disease - Central ... delayed puberty - Headache ... , visual symptoms ... Insufficiency #Signs ... #Symptoms #Adrenal
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Approach to Headaches ... lyme • Altered mental ... • Meningeal signs ... ) • Systemic symptoms ... and signs (e.g.
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... Etiologies • Nonfocal mental ... poisoning • Mental ... vasoconstriction syndrome, central ... #signs #symptoms