Cath Flashcards
Arterial tracing
Venous tracing
A wave
X
V wave
Y
CVP or RAP
2-8 mmhg
Same as RV diastolic
RV
15-30 / 2-8 mmhg
RV systolic = PA systolic
RV diastolic = CVP or RAP
PA
15-30 / 4-12 mmhg
PA systolic = RV systolic
PCWP
8-12 mmhg
LVEDP
6-12 mmhg
Central sv02
60-75%
SVR
80 x (MAP-CVP) / CO
900-1200 dynes-sec/cm5
High SVR
Sympathetic stimulation
Hypothermia
Vasopressors
Low SVR
Vasodilators (PDEi, nitrates)
Sepsis
Spinal/epidural anesthesia
Hyperthermia
PVR
mPAP-PCWP / CO = wood units
80 x mPAP-PCWP / CO = = dynes-s/cm5
< 2.0 wood units
< 250 dynes-s/cm5
PAPI
PA systolic - PA diastolic / CVP
CO
CI X BSA
4-8 L/min
CI
2.5-4L/min
1250 / [1.34 * hgb *(Sa02-Sv02)]
Pulm HTN
MPAP > 20 mmhg
Precapillary pulm HTN
Mpap > 20
PVR > 2wu
PCWP < 15mmhg
Ddx: PAH, lung disease, CTEPH
Post capillary pulm HTN
Mpap > 20 mmhg
PVR < 2wu
Ddx: L heart failure
Combine pre and post pulm HTN
Mpap > 20
PVR > 2 wu
PCWP > 15 mmhg
Ddx: L heart + lung disease
Combine pre and post pulm HTN
Mpap > 20
PVR > 2 wu
PCWP > 15 mmhg
Ddx: L heart + lung disease
RAP / PCWP ratio
Cardiac tamponade RA waveform
Branches of RCA
Sinoatrial nodal
Conus
RV
Acute marginal
Posterior lateral
Posterior descending
DAPT
Stent in ACS 12 months
Stent not in ACS 6 months
Plavix and brillianta hold 5 days before
Effient hold 7 days before