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clinical ultrasound lung diagnosis echocardiogram cardiology effusion pneumonia sign a4c pleural differential pneumothorax embolism management blines covid19 acutepe criticalcare airbronchograms
Hypoxia and Hypoxemia - Overview Hypoxia - insufficient oxygen delivered to tissues to meet demands Hypoxemia - low
O2 is inspired) PAO2 ... hypoxia) - Low PaO2 ... Low SvO2 → Low PaO2 ... Low SvO2 → Low PaO2 ... Hypoxemia #summary #pulmonary
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 ... /0.8)] - PaO2 Normal ... Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary
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
→ ↓ → →↑ Pulmonary ... +2PDP)/3 Mean Pulmonary ... MPAP-WP)*79.92)/CO Pulmonary ... = 1.36 cmH20 PULMONARY ... age-corrected PAO2
Oxygen-Hemoglobin Dissociation Curve Left Shift (↓ O2 unloading to tissue), Left = Lower: • ↓ H+ (↑
+ (↑ pH) • ↓ PCO2 ... tissue): • ↑ H+ (Acid ... ) • ↑ PCO2 • ... pathophysiology #pulmonary
PLACO Mnemonic - Approach to Acid-Base Disorders P - Determine the pH L - Labs: PCO2 & HCO3 A
- Approach to Acid-Base ... pH L - Labs: PCO2 ... PLACO #AcidBase #Acid
Hypoxemia vs Hypoxia Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal Hypoxia - Insufficient oxygen
arterial oxygen (PaO2 ... compensate for low PaO2 ... diagnosis #comparison #pulmonary
Acid Base Disorders Worksheet Step 1: Gather the necessary data (Na+, CI-, HCO3-, PH, pCO2). Preferably, all
Acid Base Disorders ... CI-, HCO3-, PH, pCO2 ... 3: Look at the pCO2 ... . 3a: If pCO2 ... joshsteinbergMD #Acid
Acid-Base Disorders - Differential Diagnosis Algorithm Acidemia (pH < 7.35) • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders ... Respiratory Acidosis (pCO2 ... Respiratory Alkalosis (pCO2
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) - Respiratory symptoms must have begun within one
consistent with pulmonary ... lung collapse, or pulmonary ... inspired oxygen (PaO2 ... - 200 mm Hg < PaO2 ... - 100 mm Hg < PaO2
Acid Base Compensation - Directions - If all three variables (pH, HCO2, pCO2) move in the
Acid Base Compensation ... variables (pH, HCO2, pCO2
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