56 results
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... consistent with BPPV ... ) • Epley maneuver ... saccade seen) • Epley ... ) #Vertigo #BPPV
TiTrATE Approach to Vertigo
TiTrATE approach stands for Timing, Triggers and Targeted Examination.
4 vestibular syndromes that are
4 vestibular syndromes ... episodic vestibular syndrome ... (eg BPPV, orthostatic ... acute vestibular syndrome ... (eg central cause
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
and Peripheral Causes ... Acoustic Neuroma • BPPV ... oticus (Ramsay Hunt syndrome ... canal dehiscence syndrome ... • Cogan's syndrome
Causes of Unprovoked Pediatric Seizures -  Epilepsy Syndromes - Differential Diagnosis Algorithm 
Infantile:
 • Benign
Causes of Unprovoked ... of Infancy • West ... Syndrome • Dravet ... Syndrome Generalized ... Diagnosis #Algorithm #Causes
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal ultrasound, Tests ... sodium loading test ... saline infusion test ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
with vascular causes ... auditory findings BPPV ... positional episodes caused ... Positive Hallpike test ... or supine roll test
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Rotator Cuff Syndrome ... Causes: Calcific ... arm, empty can test ... Rotator #Cuff #Syndrome
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
the screening test ... correctly diagnose a case ... that any given case ... the screening test ... Calculation #Table #PPV
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... PPV: proportion ... prevalence is low, then PPV ... specificity -> higher PPV ... but not on the causal
Arterial Lines & Waveforms
Arterial lines permit continuous invasive blood pressure measurement, frequent arterial blood sampling, and
SQUARE WAVE TEST ... PRESSURE VARIATION (PPV ... Pressure Variation (PPV ... intrathoracic pressure and causes ... volume (increased PPV