16 results
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
MAP = CO x SVR Hypovolemic ... , pallor Cardiogenic ... (Intra-cardiac ... failure, acute MI ... Differential #Diagnosis #table
Bedside Classification of Shock

Hypovolemic shock 

- Vomiting, diarrhea, overdiuresis 

- Hemorrhage (GI, peritoneal, RP) 

Distributive shock
Classification of Shock Hypovolemic ... Anaphylaxis - Post-cardiac ... Endocarditis - Post-MI ... #Distributive #Cardiogenic ... #Comparison #Table
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
those with severe cardiogenic ... hypertension or cardiac ... measured on PAC are -cardiac ... output (ie, cardiac ... #Differential #Table
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Classification Hypovolemic ... neurogenic shock) Cardiogenic ... contractility) - Acute MI ... Classification #Table
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
4 categories: cardiogenic ... distributive, hypovolemic ... Problem (↓ CO): • CARDIOGENIC ... Pneumothorax, Cardiac ... pancreatitis, post-cardiac
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
mortality in inferior MI ... or hypovolemic ... • Advanced cardiogenic ... CARDIAC POWER OUTPUT ... much as 40% in cardiac
Shock and Vasoactive Drugs 
1) Determine type and etiology of shock
 • Distributive: Sepsis, Anaphylaxis, Neurogenic
Neurogenic • Cardiogenic ... : Acute MI, Acute ... 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 ... New/worsening MR ... Rx: NSTEMI/UA: stable ... #Indications #Cardiac
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
dilated IVC - Cardiac ... Pneumothorax • Hypovolemic ... resuscitation • Cardiogenic ... Shock - MI ... Cardiac surgery?
Shock Classification
Shock Definition: State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
myxedema, beriberi CARDIOGENIC ... infarction, following cardiac ... pneumothorax, cardiac ... cardiomyopathy HYPOVOLEMIC ... warm #wet #dry #table