231 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
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 ... on POCUS Dr. ... #pulmonary #Lung ... #POCUS #clinical
Right pleural effusion with "spine sign" seen beautifully by using large footprint curvilinear transducer on lung
Right pleural effusion ... transducer on lung ... Care Ultrasound (POCUS ... #Lung #Pleural ... #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
Hydropneumothorax on Lung POCUS

HIV/AID(CD4<250) with cough, dyspnea.Left lung anterior mid. Left lung. Findings consistent with PNA.
POCUS HIV/AID ... Has pleural effusion ... hydropneumothorax #effusion ... #bubbles #POCUS ... clinical #ultrasound #pulmonary
Spine sign: visualization of the vertebral bodies in the thoracic cavity above the diaphragm indicative of
indicative of pleural effusion ... absence of pleural effusion ... by air in the lung ... #SpineSign #POCUS ... #Pulmonary #Lung
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
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... Possible small plural effusion ... Possible bilateral effusion ... submassive PE) POCUS ... #POCUS #ultrasound
COVID-19 on Lung POCUS - Day 2

Day 2 after COVID diagnosis. Less sore throat, cough &
COVID-19 on Lung ... POCUS - Day 2 ... bilateral pleural effusion ... #ultrasound #pulmonary ... #Effusion