13 results
Bedside Classification of Shock

Hypovolemic shock 

- Vomiting, diarrhea, overdiuresis 

- Hemorrhage (GI, peritoneal, RP) 

Distributive shock
Hypovolemic shock ... Anaphylaxis - Post-cardiac ... Endocarditis - Post-MI ... Classification #Hypovolemic ... Cardiogenic #Comparison #Table
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... Classification Hypovolemic ... a.k.a. neurogenic shock ... contractility) - Acute MI ... Classification #Table
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
Pulmonary Arterial Catheterization ... Pulmonary arterial catheterization ... or the type of shock ... severe cardiogenic shock ... #Differential #Table
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... MAP = CO x SVR Hypovolemic ... failure, acute MI ... uw_IMresidency #Shock ... Differential #Diagnosis #table
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
distributive, hypovolemic ... ), LV Failure (MI ... Pneumothorax, Cardiac ... pancreatitis, post-cardiac ... ↓ Preload): • HYPOVOLEMIC
Shock and Vasoactive Drugs 
1) Determine type and etiology of shock
 • Distributive: Sepsis, Anaphylaxis, Neurogenic
Shock and Vasoactive ... and etiology of shock ... Cardiogenic: Acute MI ... Arrhythmias / CHB • Hypovolemic ... management #comparison #table
Inpatient Cath Lab Indications
Cath Lab ASAP:
STEMI
NSTEMI:
1. Unstable/cardiogenic shock
2. Severe LV dysfunction or
3. Recurrent/persistent rest angina despite
Unstable/cardiogenic shock ... New/worsening MR ... Rx: NSTEMI/UA: stable ... #Indications #Cardiac ... #catheterization
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
Right Heart Catheterization ... mortality in inferior MI ... cardiogenic or hypovolemic ... CARDIAC POWER OUTPUT ... much as 40% in cardiac
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Shock - Diagnosis ... dilated IVC - Cardiac ... Pneumothorax • Hypovolemic ... - MI, arrhythmia ... Cardiac surgery?
Shock Classification
Shock Definition: State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
shock. ... infarction, following cardiac ... pneumothorax, cardiac ... cardiomyopathy HYPOVOLEMIC ... warm #wet #dry #table