Sudden drop in level of consciousness, severe headache, or new neurologic deficit — check the drain's level and clamp status and notify the provider now (possible over-drainage or herniation).
Before you read
Test yourself first: 5 questions
Question 1 of 5
A nurse is monitoring serous drainage on a surgical dressing. Which characteristic describes serous drainage?
Answer: A. Serous drainage is thin, clear, and watery, consisting of plasma. Serosanguineous drainage is pink and thin, sanguineous is bright red and bloody, and purulent drainage is thick and may be yellow, green, or brown, indicating infection.
Question 2 of 5
A nurse is documenting wound drainage. The drainage is thin, bright red, and indicates active bleeding. Which term should the nurse use?
Answer: A. Sanguineous drainage is bloody (bright or dark red) and indicates active or fresh bleeding. Serous drainage is clear and watery, serosanguineous is pink and watery (a mix of serum and blood), and purulent drainage is thick and often yellow, green, or brown, indicating infection.
Question 3 of 5
A nurse notes that a wound is producing clear, watery, pale yellow drainage. How should this drainage be documented?
Answer: A. Serous drainage is clear, thin, and watery, and is a normal component of the inflammatory phase of healing. Sanguineous drainage is bloody, serosanguineous is pink and blood-tinged, and purulent drainage is thick and indicates infection.
Question 4 of 5
A nurse changes a wound dressing and notes a thick, opaque, yellow-green drainage with a foul odor. How does the nurse document this exudate?
Answer: A. Purulent drainage is thick, opaque, and yellow, green, or brown, and often has a foul odor, indicating infection with white blood cells and microorganisms. Serous drainage is clear and watery; sanguineous drainage is bright red (fresh blood); serosanguineous drainage is pale pink and watery (a mix of serous and blood).
Question 5 of 5
A nurse assesses a surgical wound and notes thick, opaque, yellowish-white drainage. How should the nurse document this drainage?
Answer: D. Purulent drainage is thick, opaque, and yellow, green, tan, or brown, indicating infection. Serous drainage is clear/watery; sanguineous is bright red (fresh blood); serosanguineous is pale pink/watery (a mix of serous and blood).
Keep the streak going with more questions like these, each with a full rationale.
What is lumbar drain care?
Removing CSF lowers CSF pressure. That is why the drain is used to treat CSF leaks, to lower raised CSF pressure, and to protect the spinal cord during aortic surgery. The height of the drainage chamber and the ordered rate control how much CSF drains, so leveling and clamping are tightly managed. The nurse prevents over-drainage, which can cause headache, subdural hematoma, or brain herniation, and protects the system from infection (meningitis).
Key points to remember
- Uses: treating CSF leaks, lowering CSF pressure, and protecting the spinal cord during aortic surgery.
- Level the chamber to the prescribed reference point (such as the tragus) and re-level it with every position change.
- Over-drainage causes headache, subdural hematoma, or herniation; a chamber set too high under-drains and fails to relieve pressure.
- Clamp the drain for transfers, position changes, and ambulation per orders to prevent rapid drainage.
- Measure CSF amount, color, and clarity hourly; never exceed the ordered rate.
- Normal CSF is clear and colorless; cloudy or bloody drainage must be reported.
- Keep the system sterile and closed, because meningitis is a serious risk.
Nursing priorities
- Perform frequent neurologic checks (level of consciousness, motor function), because a change may be the first sign of over-drainage or herniation.
- Keep the chamber at the ordered reference point and re-level after every position change, because chamber height controls CSF outflow.
- Clamp before repositioning, transfers, or ambulation, and reopen per orders afterward, because moving with an open drain can cause rapid over-drainage.
- Record CSF volume, color, and clarity hourly and compare with the ordered rate, because too much, too little, or no drainage needs prompt reporting.
- Maintain the sterile closed system and check the insertion site for leakage and infection, because the catheter opens a path for meningitis.
Labs & values
Worked example
- Cue: A patient with a lumbar drain for a CSF leak asks to sit up for lunch. The drain is open and leveled at the ordered point.
- Meaning: Changing position changes the patient's height relative to the chamber and can cause rapid over-drainage.
- Priority action: Clamp the drain per orders, reposition the patient, re-level the chamber to the reference point, then reopen as ordered.
- Evaluation: Hourly drainage stays within the ordered rate, and the patient has no new headache or change in consciousness.
Patient teaching
- Do not sit up, change position, or get out of bed without your nurse; the drain has to be clamped and adjusted first.
- Tell your nurse right away about a sudden headache, feeling very drowsy, or a stiff neck.
- Do not touch or move the drain or tubing, and ask visitors not to; its height is set carefully.
Memory tricks
- Level, limit, sterile, watch: level the chamber, limit to the ordered rate, keep it sterile, watch for over-drainage.
Common mistakes
- Raising the head of the bed or moving the patient without clamping and re-leveling the drain.
- Assuming more drainage is better; over-drainage can cause herniation or subdural hematoma.
- Dismissing a new headache or drowsiness as expected; it can signal over-drainage.
- Moving the chamber up or down without an order to adjust drainage.
Red flags: report now
- Sudden drop in level of consciousness, severe headache, or new neurologic deficit — check the drain's level and clamp status and notify the provider now (possible over-drainage or herniation).
- Cloudy, bloody, or foul CSF, fever, or neck stiffness — report possible infection.
- Drainage that is too rapid, absent, or far outside the ordered rate — report promptly.
- Drain raised, lowered, or opened without an order, or draining freely — restore the ordered settings and notify the provider.
References
Clinical references for this topic
