LEC 16 - Flash US Flashcards
When is it okay to do limited scans?
Have a specific question
Limited time
Emergency situation
What is improved with limited scans?
Sensitivity
Specificity
What color is fluid with ultrasound?
black
What is preferred positioning with hemoperitoeum?
Left lateral recumbency
What is the best place to ultra sound for fluid in the abdomen?
Left flank
What is best seen on right lateral recumbency?
GB and Left kidney
Left ventricular volume
What is a positive in regards to the spleen on right lateral recumbency?
Less likely to be punctured
Why is ultra sound such a great tool when using it for dogs with hemoperitoneum?
Semiquantitative measure of free fluid
Powerful tool for assessment of severity
More reliable than PCV and TPP
What is so bad about pericardial fluid?
Even small amounts affect the right side of the heart
pericardium doesnt have much give therefor it will compress the heart fast
What disease commonly causes pericardial free fluid?
Valley fever
What is the gold standard for pneumothorax?
CT
What are you looking for on US that tells you there is possible pneumothorax?
Slide sign -
with pneumothorax sliding of the lungs doesn’t occur
What is ultrasound bad for in the chest?
Pneumothorax + edema
What is FLASH US great for?
Abdominal free fluid
Pleural free fluid
Pericardial free fluid
