21 results
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
, pallor Cardiogenic ... (Intra-cardiac ... failure): • Severe heart ... failure, acute MI ... Differential #Diagnosis #table
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Cardiovascular MRI ... • Dysrhythmia, heart ... block • Heart ... Elevated troponin • Cardiogenic ... shock, sudden cardiac
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
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
Right Heart Catheterization ... mortality in inferior MI ... CARDIAC POWER OUTPUT ... e.g., PE, right heart ... much as 40% in cardiac
Clinician's Pocket Guide to Vasopressors - Receptor Profiles and Hemodynamic Parameters
 • Systemic Vascular Resistance -
- Circulatory pressure ... Changes in the heart ... Mean Arterial Pressure ... Systolic BP)) / 3 • Cardiac ... management #comparison #table
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
neurogenic shock) Cardiogenic ... contractility) - Acute MI ... - Severe heart ... Classification #Table
Bedside Classification of Shock

Hypovolemic shock 

- Vomiting, diarrhea, overdiuresis 

- Hemorrhage (GI, peritoneal, RP) 

Distributive shock
Anaphylaxis - Post-cardiac ... Endocarditis - Post-MI ... #Distributive #Cardiogenic ... #Comparison #Table
Shock and Vasoactive Drugs 
1) Determine type and etiology of shock
 • Distributive: Sepsis, Anaphylaxis, Neurogenic
Neurogenic • Cardiogenic ... : Acute MI, Acute ... Heart Failure, ... management #comparison #table
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Target Receptor, Heart ... Vascular Resistance, Cardiac ... Output, Blood Pressure ... Vasopressors #Properties #Table
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
4 categories: cardiogenic ... Problem (↓ CO): • CARDIOGENIC ... Pneumothorax, Cardiac ... pancreatitis, post-cardiac ... Losses (bums, heat