32 results
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Nystagmus: Usually torsional ... BPPV; horizontal-torsional ... with vascular causes ... spontaneous and purely torsional ... diagnosis #findings #signs
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... - Vertigo - Differential ... Algorithm True Vertigo ... neurologic symptoms/signs ... Diagnosis #Algorithm #Causes
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
Labyrinthitis Vestibular ... Labyrinthitis 1) Vertigo ... instability 3) Nausea ... inflammation of vestibular ... Diagnosis #Symptoms #Signs
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... Cystic LCH: - LAM ... : 'signet ring sign ... Clinical #Diagnosis #Radiology ... Comparison #Table #RadiologyAssistant
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Vestibular neuritis ... without an obvious cause ... varying neurologic signs ... #Causes #differential
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
pneumonias An acute reticular ... most frequently caused ... The other cause ... #Clinical #Radiology ... Pneumonia #PJP #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
Interstitial - Reticular ... Nodule - Multiple Masses ... Diagnosis #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
histiocytosis (LCH ... LCH is called a ... In many of such cases ... #Clinical #Radiology ... #RadiologyAssistant
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... to a pneumonia caused ... #Clinical #Radiology ... SilhouetteSign #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: reticular ... presents as a reticular ... seen and in many cases ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant