5 results
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
, pallor Cardiogenic ... (Intra-cardiac ... failure, acute MI ... → tension PTX, cardiac ... Differential #Diagnosis #table
Pulmonary Artery Catheter Pressures
Normal: RA 0-8, RV 15-25/0-8, Mean PAP <25, PCWP 8-12, Cardiac Index 2.6-4.2
HFrEF,
Pressures Normal ... Mean PAP <25, PCWP ... 8-12, Cardiac Index ... Medicine @ucsdim #PA ... #Hemodynamics #Cardiology
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
hypovolemic shock, SVR ... low or normal SVR ... CARDIAC POWER OUTPUT ... much as 40% in cardiac ... #diagnosis #cardiology
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
) -right atrial ... #Diagnosis #PACatheter ... #Differential #Table ... Chambers #Wedge #PCWP ... #Pressures #SVR
Perform computations online at:
ScyMed.com
6th ED
ICU-card
«ICU, Formulas & Drugs»
HEMODYNAMIC PATTERNS
Condition
SAP
CVP

PAP PCWP

CO C(a-v)02 PVR

SVR
Hypovolemic shock
↓
↓
↓
↓
↓
↑
↑
↑
Cardiogenic shock
↓
1
↑
1

1
↑

Septic shock
↓
↓
↓
↓
↑
↓
↓
↓
Cardiac Tamponade
.
↑
↑
1
↓

→
↑
RV
SAP CVP PAP PCWP ... ↓ ↓ ↑ ↑ ↑ Cardiogenic ... 60-80 mmHg DP-PCWP ... Work Index, Right ... A-a GRADIENT PA-aO2