271 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Evaluation and Differential ... and ~5 mmHg to pCO2 ... retention • Respiratory ... Ventilation • Respiratory ... Disorders #Evaluation #workup
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders - Differential ... HCO3 12:10 • Respiratory ... Acidosis (pCO2 ... HCO3 7:10 • Respiratory ... AcidBase #Disorders #Differential
Respiratory Oxygenation Cycle - Pathophysiology
PO2 and PCO2

By @rev.med

#Respiratory #Oxygenation #Cycle #circulation #pathophysiology
Respiratory Oxygenation ... Pathophysiology PO2 ... and PCO2 By @rev.med ... #Respiratory #
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 ... production Respiratory ... nickmmark #acidbase #workup
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 ... Alkalosis #Metabolic #Respiratory
Arterial Blood Gas (ABG) Analysis - Metabolic + Respiratory Acidosis + Alkalosis

pH ↓ pCO2 ↓ -
- Metabolic + Respiratory ... Alkalosis pH ↓ pCO2 ... acidosis pH ↑ pCO2 ... ↓ - Respiratory ... ↑ - Respiratory
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... - PaO2 A-a gradient ... (Patm - 47) - (PaCO2 ... Hypoventilation: CNS of Respiratory ... Hypoxia #hypoxemia #differential
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
Acid Base Disorders Worksheet

Step 1: Gather the necessary data (Na+, CI-, HCO3-, PH, pCO2). Preferably, all
CI-, HCO3-, PH, pCO2 ... patient's alkalosis is respiratory ... patient's acidosis is respiratory ... diagnoses using the differentials ... Worksheet #diagnosis #differential
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Look at the pCO2 ... Metabolic Equal (If pCO2 ... the change in pCO2 ... calculate the expected pCO2 ... need to do more work