There are 3 types of occlusions
- Complete
- Partial
- Withdrawal
Signs of a CVAD Occlusion
- Sluggish flow
- Inability to infuse fluids
- Frequent occlusion alarm on infusion pump
- Infiltration or extraversion or swelling or leaking at the insertion site
- Inability to withdraw blood
- Sluggish blood return
1.Complete Occlusions
- Inability to infuse or withdraw blood or fluid into the CVAD
- Can be mechanical, chemical or thrombotic
2.Withdrawal Occlusions
- Inability to aspirate blood but the ability to infuse without resistance
- Lack of free-flowing blood return
3.Partial Occlusions
- Decreased ability to infuse fluids
- Resistance with flushing and aspiration
- Sluggish flow through the catheter
- Can me mechanical, chemical, or thrombotic