Cath Unit 2 Flashcards
Amount of time for injection into a vessel
2 seconds usually
RCA injection amount
2-4 ml
LCA injection amount
4-10 ml
Hemoglobin normal range
12.00-18.00
Hematocrit normal range
35-45%
Platelets norm
150-400 (thousands)
Potassium norm
3.5-4.5
BUN norm
8.00 - 20.00
BUN stands for
Blood Urea Nitrogen
Creatinine norm
0.8 - 1.00
Prothrombin time (PT)
10-13 sec
Partial thromboplastin time (PTT)
25-41 sec
Int’l Normalized Ratio (INR)
0.8 - 1.2
Lab values included in CBC
Hgb, Hct, platelets
Lab values included in Chemistry panel
BUN, creatinine, potassium
Coagulation panel
PT, PTT, INR
High/low _____ can cause vtach/vfib
Potassium
2 lab values that are indicators of renal health
BUN and creatinine
% blockage required for intervention
> 70% or 50% in LM
Ability to draw water across cell membrane
Osmolarity
Water solubility
Hydrophilicity
Thickness of the solution.
Viscosity
Desired osmolarity in contrast
Low
Desired hydrophilicity in contrast
High
Desired viscosity in contrast
Low
Osmolarity of blood
270
Osmolarity of HOCM
1000-2100
HOCM side effects
Hypotension, Brady, burning sensation
CIN DX
Elevation of creatinine 20% or more 48-72 hours post procedure
What identifies presence of a chronic total occlusion?
Collateral flow
Competitive flow identifies presence of what?
An open bypass graft
What happens w/myocardial bridging?
Collapsing of artery; muscle contracts, squeezing artery shut; little significance since arteries fill in diastole.
Elastic membrane and muscle in artery
Tunica media
Part of the artery that contrast is injected into
Lumen
4 layers of an artery (inner to outer)
Lumen, tunica intima, tunica media, tunica adventitia
Difference between vein and artery structure
Vein lacks elastic membrane and is oval shaped with a bigger diameter
Capillary is composed of what
Just the intima
What is a concentric lesion
Entire circumference is covered by lesion
What is an eccentric lesion
More oblong, not seen in all views
If the II is over the head, the view is ___
Cranial
If the II is over the abdomen/pelvis, the view is _____
Caudal
if the II is on the left side, the view is ____
LAO
Where is the LAD in LAO?
Left
____ usually lies closest to spine
Circumflex
If spine is on the right, it’s ____
LAO
If spine is on the left, it’s
RAO
In LAO, the ____ resembles a C shape
RCA
In RAO, the apex of the heart points to the
right
TIMI 0 indicates what
No flow, completely occluded vessel
TIMI 3 indicates what
Normal flow and emptying; all anatomy seen
With the pressure injector, what do the 2 numbers indicate
High number = volume, low number = rate
PSI range on pressure injector
400 - 1200
What is rise
The amount of time machine takes to reach chosen PSI