Cardiac Review (CE2) Flashcards
NYHA Stage I
no functional limitations or sx w ordinary activity
NYHA Stage II
slight sx with ordinary functional activities
comfortable at rest
NYHA Stage III
marked by limitation w any activity
only comfortable at rest
NYHA IV
any activity brings on discomfort
sx at rest
AHA/ACC Stage A
high risk for developing CHF
no structural damage
AHA/ACC Stage B
structural damage
no sx
AHA/ACC Stage C
structural damage & sx
controlled w meds
AHA/ACC Stage D
advanced dz requiring in-hospital assistance, ventricular assist device, or cardiac tx
what is creatine kinase (CK) a biochemical marker of
general measure of overall ms tissue death
what are norms for CK
male < 174
female < 140
what time period does CK elevate within
4-8 hours after MI
when do CK levels peak after MI
10-24hrs
what is CK-MB a biochemical marker of
isoenzyme of CK specific to heart
when do CK levels return to normal s/p MI
2-3 days
what is the normal value of CK-MB
0-7.5
what time period does CK-MB elevate within
4-8 hours
rises more gradually than CK (1-2 hours longer)
when do CK-MB levels peak after MI
10-24hrs
when do CK-MB levels return to normal s/p MI
3 days post MI
what are troponins biochemical markers of
regulate calcium contractile process of skeletal muscle
what are cardiac specific troponins
TnI
TnT
what is the normal value of Troponin I (TnI)
0-0.1
what time period does troponin I elevate within after an MI
4-6hrs
when does troponin I levels peak s/p MI
10-24hrs
when do troponin I levels return to normal after MI
5-9 days
