Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

ECG > Ischemia and Infarct > Flashcards

Ischemia and Infarct Flashcards

1
Q

What the 3 other major causes of STE? (not AMI)

A
  • Benign early repolarization (30%)
  • LVH (30%)
  • BBB (30%)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What % of MI’s are “silent”?

A

20-25%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the one typical finding on ECG for acute phase MI?

A

ST segment elevation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is 2 typical findings of early subacute phase of MI on ECG?

A

-Pathologic Q waves

T-wave inversion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the one chronic change on ECG following MI?

A

-Pathologic Q waves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

This ECG finding is noted as early as 30 minutes after the onset of coronary occlusion and transmural infarction.

A

Hyperacute T wave

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the 3 criteria for AMI-related STE?

A
  • ST segment elevation of >1 mm in limb leads
  • ST segment elevation of >2mm in precordial leads
  • ST segment is elevated 0.08 secs from J point
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Non-infarctional STE has what shape?

A

concave

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

STEMI can have what 2 shapes?

A
  • straight

- convex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the most specific ECG finding for ischemia?

A

downsloping ST segment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Abnormal Q waves can be defined as?

A
  • > 1 mm wide

- >1/3 of QRS amplitude

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Does STEMI or NSTEMI need to be sent to cath lab?

A

STEMI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Where is this infarcation located?

  • ST elevation V2-V4
  • May see new LBBB
  • LAD occlusion
A

Anterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Where is this infarcation located?

-ST elevation V2-V4, V5-V6 & aVL

A

anteriorlateral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Where is this infarcation located?

-ST elevation in Lead II, III, aVF

A

Inferior wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Where is this infarcation located?

-ST elevation V5/V6, Lead I, aVL

A

Lateral wall

17
Q

Which artery is most likely occluded in a lateral wall MI?

A

LCX

18
Q

Where is this infarcation located?

  • ST depression in V2 with ECG flipped upside down
  • R>S in leads V1-V2 with ECG right side up
  • Most often in conjuction with IWMI or LWMI
A

Posterior wall MI

19
Q

Where is this infarcation located?

->1mm ST elevation in V4R

A

RV

20
Q

This type of infarction is associated with hypotension and may be exacerbated with nitrates or diuretics.

A

RVMI

ECG (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions