111 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 ... Epley #Maneuver #BPPV ... instructions #clinical #video ... #physicalexam #management
Positive Seidel test on fluorescein stain exam

Globe rupture can be identified by a positive Seidel test
Positive Seidel ... identified by a positive ... in making the diagnosis ... Rupture #Seidel #Positive ... #PhysicalExam #Video
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Hemolytic Anemia 1) DIAGNOSE ... autoantibodies: positive ... → schizocytes, Positive ... Hemolytic #Anemia #diagnosis ... #management #treatment
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... patient in this position ... to the upright position ... DixHallpike #Maneuver #BPPV ... #Instructions #Diagnosis
Spontaneous Bacterial Peritonitis 
Clinical 
 • Fever 
 • Chills 
 • Abdominal pain 
Diagnosis
Abdominal pain Diagnosis ... cells/mL • Positive ... stain/culture Management ... Peritonitis #SBP #Diagnosis
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
High T4/T3) - Diagnostic ... specific, so if positive ... , you’ve diagnosed ... workup choices AND management ... #Hyperthyroid #Diagnosis