Various Lab Values Questions

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When are troponins released after injury?

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1

When are troponins released after injury?

6 hours → 3 days

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2

Troponin peaks when?

18-24 hours after sx

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3

How long can troponins stay elevated?

10 days

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4

When is CK elevated in MI

within 3-6 hours

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5

When does CK peak?

18-24 hours

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6

When does CK return to normal?

2-3 days

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7

NYHA class I

BNP = 100-300 pg/mL

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8

NYHA class I description

no sx, no limits

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9

NYHA class II

BNP >300 pg/mL

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10

NYHA class II description

mild sx, slight limits

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11

NYHA class III

BNP >600 pg/mL

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12

NYHA class III description

marked limits; only comfortable @ rest

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13

NYHA class IV

BNP > 900 pg/mL

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14

NYHA class IV description

severe; sx @ rest

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15

When are blood lipids most accurate?

Before MI or within 6 weeks of injury

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16

Borderline high total cholesterol

200-239

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17

High total cholesterol

≥240

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18

Borderline high LDL

130-159

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19

High LDL

160-189

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20

Very high LDL

≥190

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21

Borderline high triglycerides

150-199

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22

High triglycerides

200-499

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23

Very high triglycerides

≥500

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24

Leukopenia WBCs

<4.0 109/L

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25

Neutropenia WBCs

<1.5 109/L

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26

Moderate neutropenia WMCs

0.5-1.0 109/L

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27

Severe neutropenia

<0.5 109/L

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28

Thrombocytopenia

<150 k/uL

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29

Need transfusion

Platelets <20 k/uL

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30

Polycythemia Hb

>20g/dL

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31

Anemia Hb

<5-7g/dL

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32

Polycythemia Hct

>60%

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33

Anemia Hct

<15-20%

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34

D-Dimer + test

>400-500 ng/mL

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35

INR therapeutic range for VTE, PE, a-fib

2-3

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36

INR therapeutic range for high-risk pts

2.5-3.5

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37

aPTT spontaneous bleeding

>70 seconds

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38

aPTT therapeutic for anticoagulant effectiveness

60-109 secs

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39

PT high risk for bleeding into tissues

>25 secs

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40

Hypernatremia

>145

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41

Hyponatremia

<130

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42

Hyperkalemia

>5.5

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43

Hypokalemia

<3.5

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44

Hypernatremia leads to

impaired cognition; tachycardia

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45

Hyponatremia leads to

impaired cognition; orthostatic hypotension

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46

Hyperkalemia leads to

risk of cardiac issues

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47

Hypokalemia leads to

sensations, hypotension, constipation

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48

Hypercalcemia leads to

heart issues

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49

Hypocalcemia leads to

impaired cognition

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50

Hyperchloremia leads to

decreased LOC?

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51

Hypochloremia leads to

need of motor function / LOC monitoring

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52

Hyperphosphatemia leads to

heart issues, N/V

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53

Hypomagnesemia leads to

EKG changes (PVC→V-tach→V-fib)

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54

Increased BUN leads to

?HTN, fluid retention, itchy/dry skin, dyspnea

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55

Increased serum creatinine leads to

less pee, dark urine, low fever, HA, dyspnea

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56

Hyperglycemia

>200

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57

Hypoglycemia

<70

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58

Dx of diabetes

FPG>126 OR 2 hours glucose >200

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59

HbA1C pre-diabetes

5.7-6.4

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60

HbA1C diabetes

>6.5

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