CSF Diseases Flashcards
1
Q
What are Lundberg A waves?
A
plateau waves that cover every `15-30 minutes
sustained, reach levels around 50 mm Hg, may cause death
2
Q
What are Lunderg B waves?
A
pressure pulses that last 30 seconds to 2 minutes, 10-20 mmHg less than A waves
3
Q
What are Lunberg C waves?
A
low amplitude waves that occur every 4-8 minutes, can occur on top of A waves
4
Q
In what percent of pseudotumor patient’s dose unilateral optic nerve sheath fenestration cause bilateral vision improvement?
A
66%
5
Q
In a normal ICP waveform, what do P1, P2, and P3 correlate with? What are their typical relative amplitudes?
A
P1 > P2 > P3
P1: percussion wave - arterial pulsation
P2: tidal wave - compliance
P3: dicrotic wave - closure of aortic valve
