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14. Cardiac Disease and Markers

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

ECG checks for what 5 things?

Back (Answer)

• Rate • Rhythm • Axis • Hypertrophy • Infarction

#2
Front (Question)

Drug that controls arrhythmias?

Back (Answer)

Digoxin

#3
Front (Question)

Main cause of cardiac ischemia?

Back (Answer)

Coronary atherosclerosis

#4
Front (Question)

Caused by hemolytic streptococcus induced immune reaction

Back (Answer)

Valvular disease

#5
Front (Question)

CKMB relative index indicating myocardial damage?

Back (Answer)

> 3%

#6
Front (Question)

CKMB relative index indicating skeletal muscle damage?

Back (Answer)

< 3%

#7
Front (Question)

CKMB relative index formula

Back (Answer)

(CKMB/Total CK) * 100%

#8
Front (Question)

BNP stimulus release

Back (Answer)

Ventricular stretch and increased volume

#9
Front (Question)

3 reasons for increased CK?

Back (Answer)

• Myocardial diseases (AMI) • Skeletal muscle disease/injury (alcohol abuse) • Cerebral injury, meningitis

#10
Front (Question)

2 methodologies for CKMB?

Back (Answer)

• Enzyme immunoassay - Electrophoresis

#11
Front (Question)

Troponin methodology?

Back (Answer)

Chemiluminescence sandwich antibody assay

#12
Front (Question)

Troponin rise, peak, fall window

Back (Answer)

4-6 hrs 12-24 hrs By 7 days

#13
Front (Question)

Troponin RI

Back (Answer)

< 0.04 ug/L

#14
Front (Question)

Troponin range indicating possible MI, repeat in 6-8 hrs?

Back (Answer)

0.05 - 0.49 ug/L

#15
Front (Question)

Myoglobin rise, peak, fall window

Back (Answer)

1-4 hrs 8-12 hrs 24 hrs

#16
Front (Question)

CK rise, peak, fall window

Back (Answer)

4-6 hrs 12-24 hrs 48 hrs

#17
Front (Question)

Sac around heart that anchors it to diaphragm

Back (Answer)

Pericardium

#18
Front (Question)

6 properties of an ideal cardiac marker

Back (Answer)

• Specific for myocardial injury • Sensitive to small injuries • Rapidly released following injury • Around long enough in blood to permit diagnosis • Produce blood levels proportional to infarct size • Be technically easy to assay

#19
Front (Question)

Negative predictor of myocardial damage

Back (Answer)

Myoglobin

#20
Front (Question)

Lactate dehydrogenase rise, peak, fall window

Back (Answer)

36-48 hrs 72 hrs 7-12 days

#21
Front (Question)

Effects of BNP on blood vessels

Back (Answer)

Vasodilation

#22
Front (Question)

Which troponin unit is most specific for cardiac

Back (Answer)

Troponin I

#23
Front (Question)

Which troponin unit peaks soonest in myocardial damage

Back (Answer)

Troponin I

#24
Front (Question)

Which troponin unit remains high the longest

Back (Answer)

Troponin T