40 results
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
2. pCO2 - What’s ... the pCO2? ... Respiratory Acidosis ... nickmmark #acidbase #workup ... #algorithm #diagnosis
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Differential Diagnosis Algorithm ... • Metabolic Acidosis ... HCO3 12:10 • Respiratory ... Acidosis (pCO2 ... Alkalosis (pCO2
Arterial Blood Gas (ABG) Analysis - Metabolic + Respiratory Acidosis + Alkalosis

pH ↓ pCO2 ↓ -
- Metabolic + Respiratory ... pH ↓ pCO2 ↓ ... pH ↑ pCO2 ↑ - ... ↓ - Respiratory ... ↑ - Respiratory
Acid Base Compensation - Directions - If all three variables (pH, HCO2, pCO2) move in the
variables (pH, HCO2 ... , pCO2) move in ... it is a primary respiratory ... Nephro #AcidBase #Acidosis ... Alkalosis #Metabolic #Respiratory
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
patient have an acidosis ... Look at the pCO2 ... the change in pCO2 ... acidosis if lower ... need to do more work
Acid Base Disorders Worksheet

Step 1: Gather the necessary data (Na+, CI-, HCO3-, PH, pCO2). Preferably, all
has a primary acidosis ... patient's alkalosis is respiratory ... >40 patient's acidosis ... is respiratory; ... patient's acidosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Respiratory or Metabolic ... 7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... compensation • Respiratory
Blood Gas Analysis and Interpretation
STEPS TO ANALYSIS
1. Look at PH. Alkalotic or acidotic?
Alkalotic or acidotic ... - If acidotic ... then it is an acidosis ... - pCO2 (respiratory ... agrees with pH (respiratory
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
Index CARDIAC WORK ... RCWI Cardiac Work ... 0.0144 Cardiac Work ... min 400-600 mL Respiratory ... ratio Respiratory
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
are they more acidotic ... and ~5 mmHg to pCO2 ... retention • Respiratory ... Ventilation • Respiratory ... Disorders #Evaluation #workup