×
MedSchool: Ace Your OSCEsThe Medical Company
 
 
 
 
 
GET - On the App Store
View
Central Lines
 
 

Confirmation

 
 
 
Bookmark

Confirming Venous Placement

Flashback - the flashback from a needle in a vein should be dark red with slow flow. Bright red blood that pulsates indicates arterial catheterisation; the needle should be removed and pressure placed for at least five minutes.
Ultrasound - place the sterile probe over the insertion site and examine the vein both parallel and perpendicular to the direction of insertion, looking for presence of the needle / guidewire in the vein (a non-pulsatile, compressible vessel)
Manometry - attach the needle to a transducer system to determine intraluminal pressure.
Blood gas - send a blood sample for analysis. Compare this with the patient's arterial sample or look at indicators of oxygenation in the result.
Next Page
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Want more info like this?
  • Your electronic clinical medicine handbook
  • Guides to help pass your exams
  • Tools every medical student needs
  • Quick diagrams to have the answers, fast
  • Quizzes to test your knowledge
Sign Up Now
   
 
 

Snapshot: Initialising...