145 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... Hypoventilation: CNS of Respiratory ... Embolism, Obstructive Lung ... Disease and more • Diffusion ... , Interstitial Lung
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... HYPOVENTILATION • Rising PaCO2 ... : Interstitial lung ... ventilation (V) in the lungs ... bypassing the lungs
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
DP-PCWP Coronary Perfusion ... min 400-600 mL Respiratory ... -PECO2))/PaCO2 ... = >60% Forced Espiratory ... ratio Respiratory
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Criteria for Acute Respiratory ... Syndrome (ARDS) - Respiratory ... week of a known clinical ... explained by pleural effusions ... lobar collapse, lung
Weaning from the Ventilator - Algorithm
Setting up for extubation success
 • Decrease demand — correct metabolic
acidosis, decrease CO2 ... draining pleural effusions ... steroids & NMB • Respiratory ... Diuresis — Dry lungs ... are happy lungs
Basics of Waveform Capnography
Waveform capnography assesses ventilation by monitoring exhaled carbon dioxide
Can use measurement and morphology
different phases of respiratory ... pathophysiology CLINICAL ... PHASE I - Inspiratory ... WAVEFORM - Critical ... the heart to the lung
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... - Rapid saline infusion ... or restrictive lung
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
 •
Main Lung Ultrasound ... that may yield respiratory ... Large pleural effusion ... localized pleural effusion ... COVID19 #POCUS #Lung
Plankton Sign on Lung POCUS

Plankton sign = floating debris --> the swirling, punctiform internal echoes within
Plankton Sign on Lung ... anechoic pleural effusion ... nature of the effusion ... Plankton #Sign #Lung ... #POCUS #clinical
COVID-19 Diagnosis and Management Summary
Clinical and laboratory testing
Lung Ultrasound
HRCT scan
In-hospital treatment
Severity assessment and respiratory support 
Post-mortem
Management Summary Clinical ... laboratory testing Lung ... assessment and respiratory ... Post-mortem studies Long-term