44 results
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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
min/m2 HR*SV VO2 ... /Ca-vO2 (fick) ... )/(Ccap02-CvOz)) ... +(Pa2*0.0031) CvO2 ... mL/dL (CaO2)-(CvO2
Central Venous Oxygen Saturation (cvO2%) to monitor cardiac output - Fick Equation

#Diagnosis #Fick #Equation #CVO2 #CardiacOutput
Oxygen Saturation (cvO2% ... Fick #Equation #CVO2 ... #CardiacOutput
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
arterial blood CaO2 ... output) - Low SvO2 ... MetHb) - Low CaO2 ... → Low SvO2 → Low ... High PaO2, High SvO2
Mean Arterial Pressure (MAP)

Average arterial pressure throughout one cardiac cycle, systole, and diastole. 
Surrogate indicator of
dromotropy #lusitropy #Pulsepressure ... #strokevolume #cardiacoutput
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
oxyhemoglobin saturation (SvO2 ... Oxygen uptake (VO2 ... conc x [SaO2 – SvO2
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
HCO3 < 24mmol/L) CO2 ... HCO3 > 28mmol/L) CO2
Mean arterial pressure (MAP)

A common method used to estimate the MAP is the following formula:
* MAP
meanarterialpressure #pulsepressure
Capnography
Measurement of exhaled carbon dioxide can be used to confirm ETT placement, for safer procedural sedation,
PETCO2 - End-tidal CO2 ... PACO2 - Alveolar CO2 ... - Mixed venous CO2 ... PaCO2 - Arterial CO2
Cushing's Reflex - Pathophysiology
HYPERTENSION with a reflex BRADYCARDIA
 → ↑ ICP 
 → ↓ CBF
 →
→ ↑ Cerebral [CO2
Intracranial Hemorrhage (ICH) and Increased Intracranial Pressure (ICP) - Pathophysiology
ICH Management:
1. Manage Blood Pressure
  •
ICP Physiology: CO2 ... : • Low CO2 = ... CPP) • High CO2