55 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary ... Diffusion Defect: 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 ... = 1.36 cmH20 PULMONARY ... min 400-600 mL Respiratory ... ratio Respiratory
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
+ (↑ pH) • ↓ PCO2 ... + (Acid) • ↑ PCO2 ... pathophysiology #pulmonary ... #respiratory
Basics of Waveform Capnography
Waveform capnography assesses ventilation by monitoring exhaled carbon dioxide
Can use measurement and morphology
different phases of respiratory ... data regarding pulmonary ... PHASE I - Inspiratory ... output state - Pulmonary ... patterns #diagnosis #pulmonary
Mitral Regurgitation on POCUS Echocardiogram - Apical 4 Chamber

Before blousing fluids, check for LV systolic function
Regurgitation on POCUS ... regurgitation on an A4 ... view to avoid pulmonary ... Regurgitation #POCUS ... Echocardiogram #A4c
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Criteria for Acute Respiratory ... Syndrome (ARDS) - Respiratory ... consistent with pulmonary ... lung collapse, or pulmonary ... #ARDS #Acute #Respiratory
McConnell's Sign in Acute Pulmonary Embolism - POCUS

- Dr. Jay Mohan, D.O. RPVI https://twitter.com/DrJayMohan

#McConnells #Sign #PulmonaryEmbolism
Sign in Acute Pulmonary ... Embolism - POCUS ... PulmonaryEmbolism #AcutePE #POCUS ... Echocardiogram #Clinical #A4C
Papillary muscle rupture on POCUS Echocardiogram - A4C

Rare case! 70M recent MI with acute resp failure
muscle rupture on POCUS ... Echocardiogram - A4C ... resp failure and pulmonary ... muscle rupture on POCUS ... Echocardiogram #A4C
Acute Pulmonary Embolism - Labeled POCUS Findings 

This patient presented with a-fib and shortness of breath.
Acute Pulmonary ... Embolism - Labeled POCUS ... This POCUS illustrates ... Sign #Clinical #POCUS ... Echocardiogram #A4C
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 ... Classically” noted with pulmonary