168 results
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
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 ... ) #Vertigo #BPPV ... Labyrinthitis #diagnosis
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
than a minute for BPPV ... labyrinthitis • Head Position ... nose) • Head Position ... worsen with head position ... Central #Vertigo #diagnosis
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... auditory findings BPPV ... Positive Hallpike ... Positive head impulse ... #differential #diagnosis
Epley Maneuver for Treatment of BPPV
1) The patient begins in an upright sitting posture, and the
for Treatment of BPPV ... into a supine position ... rolls onto his/her shoulder ... Epley #Maneuver #BPPV ... #physicalexam #management
"Appropriate patient positioning for lumbar puncture and location of the L4/L5 intercostal space"-McMaster Textbook of Internal
lateral decubitus position ... Lower limbs should ... patient in a sitting position ... guidance in a prone position ... LumbarPuncture #Management
Illustrations showing elements of a shoulder assessment. Also included on a shoulder assessment would be determination
elements of a shoulder ... included on a shoulder ... is a positive test ... #Diagnosis #PhysicalExam ... #RotatorCuff #Shoulder
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... such that the shoulders ... to the upright position ... DixHallpike #Maneuver #BPPV ... #Instructions #Diagnosis
Antibiotic Susceptibility Table for Routine Gram Positive Infections

*** AUTHOR UPDATE NOTE 3/2019: TMP/SMX should, at best,
for Routine Gram Positive ... /2019: TMP/SMX should ... Infections #Coverage #Management
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Anterior Shoulder ... Dislocation - ED Management ... glenoid) • ED Management ... Radiology #XRay #Diagnosis ... #Management #Orthopedics