7392 results
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... death Common Clinical ... - Low CO and therefore ... - Low CO and therefore ... - Low CO and therefore
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... death Common Clinical ... - Low CO and therefore ... - Low CO and therefore ... - Low CO and therefore
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
Shock Classification ... Differential Diagnosis SHOCK ... Distributive: • High CO ... Cardiogenic: • Low CO ... Sophia_Hayes_MD #Shock
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... Framework MAP = CO ... third-spacing • ↓ CO ... arrhythmia • ↓ CO ... uw_IMresidency #Shock
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
Undifferentiated Shock ... inadequate blood flow (CO ... Pump Problem (↓ CO ... Obstruction (HOCM, critical ... may develop low CO
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Shock - Differential ... Lactate > 1.5 High CO ... Cord Injury Low CO ... Dehydration Shock ... Sophia_Hayes_MD #Shock
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
Increases BP, SVR, CO ... first agent in shock ... Increases HR, SVR, CO ... line in septic shock ... contractility, CO
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
: Distributive shock ... line for septic shock ... ), Cardiogenic shock ... (mild ↑CO) - Side ... , Shock where ↑
DO2 Equation in Shock = Oxygen Delivery
DO2 = CO x (1.39 x [Hb] x SaO2 +(0.003xPaO2))
DO2
DO2 Equation in Shock ... Delivery DO2 = CO ... ml per minute) CO ... DO2 #Equation #Shock
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
with cardiogenic shock ... or hypovolemic shock ... Advanced cardiogenic shock ... correlate in the SHOCK ... with cardiogenic shock