209 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Varies • No neurologic ... auditory findings BPPV ... #differential #diagnosis ... #neurology
Causes of Vertigo - Differential Diagnosis Algorithm
#Diagnosis #Neurology #Dizziness #Peripheral #Central #Algorithm #BPPV #Differential #Ddxof
- Differential Diagnosis ... Algorithm #Diagnosis ... #Neurology #Dizziness ... Central #Algorithm #BPPV
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... Hallpike test: Positive ... consistent with BPPV ... Labyrinthitis #diagnosis ... #neurology #comparison
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
labyrinthitis • Head Position ... nose) • Head Position ... worsen with head position ... Central #Vertigo #diagnosis ... symptoms #comparison #neurology
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
TP + FN) = true positives ... disease absent Positive ... / all positives ... #calculations #diagnosis ... #specificity #PPV
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Peripheral #Vertigo #diagnosis ... #neurology #bppv ... #comparison #table
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... on examination table ... DixHallpike #Maneuver #BPPV ... #Instructions #Diagnosis ... #neurology
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Gram-positive diplococci ... Plump gram-positive ... Pneumonia #Patterns #Diagnosis ... #Comparison #Table ... #Presentation #Pulmonary
Dix-HaIlpike Maneuver
 • Turn head to 45° and then rapidly lay patient to a supine position
patient to a supine position ... 20° over end of table ... The test is positive ... HaIlpike #Maneuver #neurology ... #vertigo #bppv
PERIPHERAL NERVE INJURIES

#Diagnosis #Neurology #Peripheral #Nerves #UpperLimbs #Extremity #BrachialPlexus #Roots #Injuries #Deficits #Radial #Median #Ulnar #Axillary
NERVE INJURIES #Diagnosis ... #Neurology #Peripheral ... Musculocutaneous #Comparison #Table