1blood vessel anatomy: artery tunica intima EBSI
endothelium
basement membrane
stratum subendothelial
internal elastic membrane
2blood vessel anatomy: artery tunica media
smooth muscle
collagen fiber
3blood vessel anatomy: artery tunica externa ESNB
external elastic membrane
serosa
nerves
blood vessels
4blood vessel anatomy: vein tunica intima EBS
endothelium
basement membrane
stratum subendothelial
5blood vessel anatomy: vein tunica media
smooth muscle
collagen fiber
6blood vessel anatomy: vein tunica externa ESNB
external elastic membrane
serosa
nerves
blood vessels
7venipuncture procedure
explain the procedure and purpose
assess patient's physical disposition
position the patient
select suitable site for veni
prepare equip, patient, nd puncture site
perform
8catheter/cannula parts LFNLIWVBCN
luer lock plug
flashback chamber
needle grip
luer connector
injection port cap
wings
valve
bushing
catheter
needle
9butterfly parts FTCPW
female luer lock connector
tube
cannula
plastic cap
wings
10cannula - in massive trauma situations
14G orange
11cannula - trauma, surgeries, or multiple large-volume infusions
16G gray
12cannula - blood trans, large vol infusions
18G green
13cannula - multi-purpose iv; for medications, hydration, and routine thera
20G pink
14cannula - most chemo infusions; patients with small veins; elderly or pedia
22G blue
15cannula - very fragile veins; elderly or pedia
24G yellow
16devices that utilize laser/infrared technology for vein viewer
veinlite
accuvein
veinviewer flex
17using cannula
use the appropriate cannula size
consider the use
start with distal veins and work proximally
don't go all in