1. By:
Seragaldin M. Abdulqader
Clinical pharmacology for nurses
University of Raparin/school of nursing
The lecture for undergraduate students:
2015 -20168 December 2015 1
2. Cannulation
Is an emergency procedure in which
the vein is exposed to specific
insertion and then a cannula is inter
into the vein under direct vision.
It is used to get vascular access
especially in trauma and hypovolemic
shock patients.
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3. IV therapy
Intravenous simply means "within vein".
Therapies administered intravenously
are often included in the designation
of specialty drugs.
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Intravenous therapy may be used to
correct electrolyte imbalances, to deliver
medications, for blood transfusion or as fluid
replacement to correct, e.g.: dehydration.
Intravenous therapy can also be used
for chemotherapy.
4. Advantages
Immediate effect
Control over the rate of administration
Patient cannot tolerate drugs / fluids orally
Some drugs cannot be absorbed by any other route
Pain and irritation is avoided compared to some
substances when given SC/IM
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10. Sites of chosen vein of
the upper extremities
Veins of the Hand
1. Digital Dorsal veins
2. Dorsal Metacarpal veins
3. Dorsal venous network
4. Cephalic vein
5. Basilic vein
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11. Sites of chosen vein of
the upper extremities
Veins of the Forearm
1. Cephalic vein
2. Median Cubital vein
3. Accessory Cephalic Vein
4. Basilic vein
5. Cephalic vein
6. Median ante brachial vein
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12. What are the signs of a good vein ?
Soft
Visible
Bouncy
Straight
Easily palpable
Well supported
Has a large lumen
Above previous sites
Refills when depressed
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13. What veins should you avoid ?
Mobile
Thin / Fragile
Inflamed / bruised
Near bony prominences
Thrombosed / sclerosed / fibrosed
Do not use if patient has IV fluid in the site
Have undergone multiple previous punctures
Areas or sites of infection, oedema or phlebitis
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