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Beginner's Guide to End-Tital Capnography
4 Phases of the Capnoqram
I - Inspiration and expiration Of dead space
II
maximal emptying IV ... with "shark fin" waveform ... with decreasing waveform ... sharp increase in waveform ... Capnogram #Patterns #Waveform
Capnography
Measurement of exhaled carbon dioxide can be used to confirm ETT placement, for safer procedural sedation,
• PETCO2 - End-tidal ... The Capnograph waveform ... measured) • Phase IV ... Prominent phase IV ... interpretation #waveforms
Basics of Waveform Capnography
Waveform capnography assesses ventilation by monitoring exhaled carbon dioxide
Can use measurement and morphology
Basics of Waveform ... Capnography Waveform ... amplitude ETC02 WAVEFORM ... falls to zero WAVEFORM ... peak, not end-tidal
IVC Thrombus on POCUS
IVC TRV sweep-proximal to distal. Note IVC thrombus. Key point with POCUS compression
IVC Thrombus on ... POCUS IVC TRV sweep-proximal ... Note IVC thrombus ... obstruction, get Doppler waveform ... VenaCava #POCUS #clinical
Demonstration of the parasternal heave using a long Q-tip, known as the "Cooney technique" ( @
Note her JVP waveform ... Which part of the waveform ... #PhysicalExam #Clinical
Lancisi's sign on Physical Exam
Lancisi's sign = loss of the x descent (in tricuspid regurg) creating
#PhysicalExam #Waveform ... #Clinical #Video
Today in the OR, the anesthesiologist shared with me his "Coffee Cup Rule" for ETCO2 obstruction
would slide off = clinically ... CoffeeCup #Rule #Waveform
92F w acute painless monocular vision loss. What's the diagnosis?

...

Central retinal artery occlusion (CRAO)! Retrobulbar "spot
Note arterial waveform ... #Clinical #POCUS
Adult ACLS - Cardiac Arrest Algorithm - AHA 2020
CPR Quality:
 • Push hard (at least 2
Cardiac Arrest Algorithm ... • Quantitative waveform ... • Epinephrine IV ... advanced airway • Waveform ... cardiacarrest #Algorithm
VExUS - Venous Excess Ultrasound Score 

The Venous Excess UltraSound (VExUS) grading system prototypes combining inferior
inferior vena cava (IVC ... venous Doppler waveform ... #Score #Scale #IVC ... Diagnosis #POCUS #Clinical