60 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... with vascular causes ... change • Neurologic ... positional episodes caused ... differential #diagnosis #neurology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Recreational drugs, Poisons ... Diagnosis #Algorithm #Causes ... #neurology
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
for a CENTRAL cause ... Clinical #Video #Positive ... #Neurology #Central
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 ... #PhysicalExam #Neurology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Glomerular Proteinuria (Positive ... sediment - WBC/RBC casts ... #Proteinuria #Nephrology ... Diagnosis #Algorithm #Causes
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
10% of all lupus cases ... NPSLE rare, Malar rash ... Discontinuation of causal ... Manifestations: Malar rash ... in 60-80% of cases
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... : • Palpable Rash ... blood test • Serology ... Diagnosis #Algorithm #Causes
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Manifestations: Malar rash ... - Anti-ENA - Positive ... - Anti-dsDNA - Positive ... in 60-80% of cases ... Anti-histone - Positive
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... "waiter's tip" position ... palsy" is a common cause ... Dislocation - May cause ... Myotomes #diagnosis #neurology
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