153 results
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
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
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
nose) • Head Position ... worsen with head position ... Central #Vertigo #diagnosis ... signs #symptoms #comparison ... #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
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
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Anemia (AIHA) Pathophysiology ... , C3 positive or ... IgG negative, C3 positive ... Hemolytic #Anemia #Pathophysiology ... #diagnosis #hematology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Wasting vs SIADH - Pathophysiology ... SaltWasting #SIADH #Pathophysiology ... #diagnosis #nephrology ... #hyponatremia #comparison
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Pathophysiology ... Hyponatremia - Diagnostic ... Hyponatremia #Algorithm #Pathophysiology ... #Diagnosis #Differential ... #Nephrology #UOsm
Diabetes Insipidus vs Syndrome of Inappropriate ADH (SIADH) - Comparison Table

Diabetes Insipidus - Inadequate ADH
SIADH -
ADH (SIADH) - Comparison ... Insipidus #SIADH #Comparison ... #Table #Pathophysiology ... Signs #Symptoms #Diagnosis