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cardiology #2 > lab testing > Flashcards

lab testing Flashcards

1
Q
  • ST depression
  • negative troponin
A

UA

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2
Q
  • ST depression
    • troponin
A

NSTEMI

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3
Q
  • ST elevation
    • troponin
A

STEMI

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4
Q
  • diffuse ST elevation
  • positional pain
  • friction rubs
A

pericarditis

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5
Q

chest pain d/t partial blockage
exertional pain that goes away w/ rest or pain

A

stable angina

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6
Q

non-occlusive thrombus with normal cardiac markers but may show signs of ischemia on EKG

A

UA

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7
Q

occlusion causing mild tissue death and necrosis with elevated cardiac markers

A

NSTEMI

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8
Q

complete occlusion of large vessel with elevated cardiac markers

A

STEMI

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9
Q

what type of MI is this?

plaque rupture w/ acute coronary thrombus/occlusion

A

type 1

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10
Q

what type of MI is this?

oxygen supply/demand mismatch that could be d/t vasospasm, atherosclerosis,

A

type 2

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11
Q

what type of MI is this?

SCD (sudden cardiac death)

A

type 3

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12
Q

what type of MI is this?

post PCI

A

4

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13
Q

what type of MI is this?

post CABG

A

type 5

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13
Q

what type of MI is this?

post CABG

A

type 5

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14
Q

which cardiac biomarker

  • preferred in MI dz
  • regulatory proteins that control the interaction of actin and myosin
  • values over 99% URL are abnormal
  • unique to the heart
A

troponin I and T (Tn)

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15
Q
  • use if troponin is not available
  • may be useful for reinfarction
  • if elevated but Tn is normal then likely noncardiac tissue
A

CK-MB (MB isoenzyme of creatine kinase)

16
Q

two other tests that we used to use to eval ACS or MI

A

myoglobin
lactate dehydrogenase (LD)

17
Q

Tn time of initial eval is ____

A

2 to 4 hrs

18
Q

CK-MB time of initial eval is ____

A

4-8 hrs

19
Q

Tn time to return to normal is ____

A

3-10 days

20
Q

5 other causes of Tn elevation that are demand/type 2 MI

A
  • Prnzmetal angina
  • severe anemia
  • hypo/hypertension
  • tachyarrhythmias
  • severe illness/sepsis
21
Q

hormone released from ventricles related to their stretch, high filling pressure/volume
* used to see if DOE/SOB is from HF or how well HF tx is going?

A

brain natriuretic peptide (BNP)

22
Q

BNP over ____ is indicative of HF

A

500

cardiology #2 (12 decks)

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