13 results
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
, pallor Cardiogenic ... (Intra-cardiac ... failure, acute MI ... Differential #Diagnosis #table ... #comparison #criticalcare
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
Tachyarrhythmias, Cardiac ... Tachyarrhythmias, Cardiac ... Tachyarrhythmias, Cardiac ... Inotropes #comparison #table ... #pharmacology #criticalcare
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
neurogenic shock) Cardiogenic ... contractility) - Acute MI ... Classification #Table ... #CriticalCare
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
mortality in inferior MI ... patients with cardiogenic ... • Advanced cardiogenic ... CARDIAC POWER OUTPUT ... much as 40% in cardiac
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 ... guyton #curves #criticalcare
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
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 ... resuscitation • Cardiogenic ... Shock - MI ... Cardiac surgery? ... Management #Summary #criticalcare
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
. narrow pulse pressure ... wound. drains) Cardiogenic ... O2 delivery • MI ... management #Overview #criticalcare