## Colebourn Acute and Critical Care Echocardiography
Images: https://academic.oup.com/book/25292/chapter/191500622?login=true#no-access-message
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### The Left Ventricle in Critical Illness
#### Fractional Shortening
PLAX view measured in systole and diastole
in M-Mode
Measure internal diameter
LVIDd-LVIDs/LVIDd X 100
#### Fractional Area Change
PSAX at Mid-Pap
#### Doppler Measurements of Ejection Fraction
#### Understanding Circulation in Sepsis
#### Terminology of the LV
basal is at mitral valve level
mid pap
apical
## Subcostal Short Axis
Turn probe counterclockwise from Subcostal Long
#### Takotsubo
squid
apical ballooning