797 results
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Anemia (AIHA) Pathophysiology ... mediated - DAT: IgG positive ... , C3 positive or ... IgG negative, C3 positive ... Hemolytic #Anemia #Pathophysiology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
worsen with head position ... • Short-lived, positional ... Positive Hallpike ... vestibular neuritis); positive ... Positive head impulse
Jugular Venous Pressure Measurement
Examiner places the patient in a reclined position and puts the base of
in a reclined position ... Positive: JVP >
Positive FAST in the RUQ view demonstrating echogenic clot in Morison’s pouch with adjacent anechoic free
Positive FAST in ... Trauma #Radiology #POCUS ... HepatorenalRecess #Positive
Positive FAST exam - Morrison’s Pouch

Ever so often its nice to gaze upon a crisp &
Positive FAST exam ... crisp & clean positive ... got us hooked on POCUS ... pouch #Hemorrhage #pocus ... #trauma #FAST #Positive
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Benign Paroxysmal Positional ... BENIGN PAROXYSMAL POSITIONAL ... Hallpike test: Positive ... in head-hanging position ... impulse test: Positive
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
TP + FN) = true positives ... disease absent Positive ... TP + FP) = true positives ... / all positives ... all negatives Positive
The biotrauma hypothesis of ventilator-induced lung injury. IL = interleukin; PEEP = positive end-expiratory pressure; Pplat
interleukin; PEEP = positive ... #Pathophysiology
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Can Cause False Positives ... yielding false-positive ... can cause false positives ... may cause false-positive ... sertraline #False #positive
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
Benign Paroxysmal Positional ... in head-hanging position ... in head-hanging position ... in head-hanging position ... returns to sitting position