10 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... emphysema: no walls, central ... LIP #Clinical #Diagnosis ... #Comparison #Table
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Diagnosis Algorithm ... Bone Fracture Central ... symptoms/signs, ... #Neurology #Differential ... #Diagnosis #Algorithm
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... from Peripheral Vertigo ... #diagnosis #neurology ... #bppv #comparison ... #table
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
with vascular causes ... #Vertigo #diagnosis ... #findings #signs ... #symptoms #comparison ... #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
and Central Vertigo ... CENTRAL VERTIGO ... signs or symptoms ... #Vertigo #Causes ... #differential #diagnosis
Generalized Seizures and Pseudoseizures
Generalized seizures "are conceptualized as originating as some point within, and rapidly engaging,
generalized or a general ... seizure caused ... Classification #Diagnosis ... #Neurology #Signs ... #Symptoms #Comparison
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... intravenous drug use, Central ... in up to 30% of cases ... #Endocarditis #comparison ... #table
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
papules, pustules, cysts ... associated with signs ... honey-colored crusts ... Erythematous papules with central ... #differential #diagnosis
Fluid Responsiveness and Fluid Tolerance Testing - OnePager Summary
Fluid resuscitation can be beneficial when required or
responsiveness enable ... cardiac output causes ... precede other signs ... Tolerance #testing #diagnosis ... #criticalcare #comparison
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
this pattern was caused ... This is late stage ... challenging differential diagnosis ... can identify the central ... dot sign.