28 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Sudden, severe, can last ... with vascular causes ... Long symptom-free ... #neurology
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
patient with vertigo symptoms ... for a CENTRAL cause ... Nystagmus #HINTS #PhysicalExam ... Clinical #Video #Positive ... #Neurology #Central
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
Hepatitis B Virus Serology ... (about 10% of cases ... immunity) - False-positive ... HepatitisB #HBV #Serology ... Interpretation #diagnosis
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
with vascular causes ... , downbeating (fast ... Central #Vertigo #diagnosis ... findings #signs #symptoms ... #comparison #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... with a peripheral cause ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... several days but can last ... without an obvious cause ... #differential #diagnosis ... #neurology
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
syphilis) Meaning: Positive ... Observe when patient closes ... Rombergs #Test #neurology ... #diagnosis #proprioception ... #physicalexam
Indications for tPA in Stroke:
 • Clinical diagnosis of ischemic stroke
 • Measurable neurologic deficit
 •
: • Clinical diagnosis ... deficit • Onset of symptoms ... present, in which case ... site within the past ... cva #management #neurology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Differential Diagnosis ... Management Summary Causes ... : • Triad of symptoms ... Myoglobinuria: UA positive ... #Management #causes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... "waiter's tip" position ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam