Korotkoff sounds Flashcards
1
Q
cuff inflated, no sound
A
inflation compresses the artery,
WHY? cuff pressure exceeds systolic
2
Q
I
A
tapping (clear, soft), SYSTOLIC
WHY? cuff pressure lowers to reach intraluminal pressure
3
Q
auscultatory gap
A
no sound for 30-40mmhg, abnormal but also common in HTN.
4
Q
II
A
swooshing, softer murmur,
WHY? turbulent blood flow through partially occluded artery
5
Q
III
A
crisp, high pitched knocking
you give three high pitched knocks before you enter someone’s house
WHY? artery closes briefly during diastole
6
Q
IV
A
abrupt muffling, low pitched, cushioned murmur,
WHY? artery no longer closes
7
Q
V
A
silence DIASTOLIC
WHY? streamlined flow is silent
