93 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Intracardiac, Pulmonary ... Embolism, Obstructive Lung ... Disease and more • Diffusion ... Defect: Pulmonary ... , Interstitial Lung
Capnography
Measurement of exhaled carbon dioxide can be used to confirm ETT placement, for safer procedural sedation,
monitor cardiac & pulmonary ... • PvCO2 - Mixed ... venous CO2 • ... intubation, single lung ... patterns #diagnosis #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 ... DP-PCWP Coronary Perfusion ... MPAP-WP)*79.92)/CO Pulmonary ... = 1.36 cmH20 PULMONARY
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
+ (↑ pH) • ↓ PCO2 ... tissue): • ↑ H+ (Acid ... ) • ↑ PCO2 • ... pathophysiology #pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
HYPOVENTILATION • Rising PaCO2 ... : Interstitial lung ... diseases, pulmonary ... ventilation (V) in the lungs ... bypassing the lungs
Hydropneumothorax on Lung POCUS

HIV/AID(CD4<250) with cough, dyspnea.Left lung anterior mid. Left lung. Findings consistent with PNA.
POCUS HIV/AID ... Left lung. ... Has pleural effusion ... hydropneumothorax #effusion ... clinical #ultrasound #pulmonary
Shark Tail Appearance of Consolidated Lung on Pleural Effusion on POCUS

Dr. David Feller-Kopman @dfellerk

#Pleural #Effusion #pulmonary
of Consolidated Lung ... on Pleural Effusion ... dfellerk #Pleural #Effusion ... #pulmonary #Lung
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Pneumothorax - Effusion ... Emphysema - Pulmonary ... Embolism - Acute Pulmonary ... Radiology #Patterns #Lung
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Metabolic: pH pCO2 ... Classically” noted with pulmonary ... or restrictive lung ... ABG #bloodgas #Acid
Basics of Waveform Capnography
Waveform capnography assesses ventilation by monitoring exhaled carbon dioxide
Can use measurement and morphology
data regarding pulmonary ... Assessing for CO2 ... the heart to the lung ... output state - Pulmonary ... patterns #diagnosis #pulmonary