5847 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
of Dizziness - Vertigo ... - Differential Diagnosis ... unidirectonal nystagmus ... bidirectional nystagmus ... #Differential #Diagnosis
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Peripheral Vertigo ... minutes to days • Nystagmus ... vascular causes • Nystagmus ... #differential #diagnosis
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central Vertigo ... PERIPHERAL VERTIGO ... vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... #diagnosis #findings
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
from Peripheral Vertigo ... examiners nose • Nystagmus ... Central #Peripheral #Vertigo ... #diagnosis #neurology
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
Labyrinthitis 1) Vertigo ... vestibular CN VIII • Nystagmus ... Labyrinthitis #Diagnosis
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Acute continuous vertigo ... Nausea/vomiting/vertigo ... /nystagmus - Vestibular ... Wallenbergs #neurology #diagnosis
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Paroxysmal Positional Vertigo ... PAROXYSMAL POSITIONAL VERTIGO ... and torsional nystagmus ... reproduction of vertigo ... Labyrinthitis #diagnosis
Symptoms and Signs of Hypomagnesemia
Neuromuscular:
 - Tetany, Muscle weakness, Chvostek and Trousseau signs, Cerebellar (ataxia, nystagmus,
Cerebellar (ataxia, nystagmus ... , vertigo), Confusion ... Symptoms #Signs #diagnosis
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
Algorithm for the diagnostic ... head-impulse, nystagmus ... A diagnostic algorithm ... of dizziness or vertigo ... #Diagnosis #Dizzy
Clinical Feature of Hypomagnesemia and Magnesium Deficiency
 • Electrolyte Disturbance: Hypokalemia, Hypocalcemia
 • Neuromuscular and central
fasciculations, tremors, Vertigo ... , Nystagmus, • ... Hypomagnesemia #diagnosis