26 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 ... maneuver: Ineffective ... Labyrinthitis #diagnosis
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... Diagnosis Framework ... poor PO intake, severe ... uw_IMresidency #Shock ... #Differential #Diagnosis
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
However, when the diagnosis ... or the type of shock ... cardiogenic shock ... #Diagnosis #PACatheter ... #SVR
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
Shock Classification ... and Differential Diagnosis ... SHOCK • MAP ... Decompensated CHF, Severe ... #Differential #Diagnosis
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Shock - Differential ... Diagnosis Framework ... High CO / Low SVR ... Low CO / High SVR ... #Differential #Diagnosis
Arterial Lines & Waveforms
Arterial lines permit continuous invasive blood pressure measurement, frequent arterial blood sampling, and
invasive blood pressure ... cardiac output shock ... peaked pulse in severe ... pulse; seen in severe ... arterial #artlines #diagnosis
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
for BPPV Procedure ... Make the patient sit ... Repeat the entire ... #BPPV #Instructions ... #Diagnosis #neurology
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
, SVR T as a compensatory ... low or normal SVR ... less accurate in severe ... Direct Fick in severe ... artery #catheter #diagnosis
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... Palpitations Diagnosis ... or other vagal maneuvers ... : SVT-AVNRT or AVRT ... #Differential #Diagnosis
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... . narrow pulse pressure ... - Decreased SVR ... Heart Failure, Severe ... Classification #diagnosis