Brainscape's Knowledge GenomeTM

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


See full index

ECG > Ischemia & Infarction > Flashcards

Ischemia & Infarction Flashcards

1
Q

Evolution of STEMI findings… (4)

A

symmetric, peaked T waves

T wave inversion

ST elevation

Q waves

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

non-pathologic j-point elevation can be seen in what 3 leads in young healthy people?

A

V1, V2, V3

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

ST elevation must be ______ in ________ to be considered a STEMI

A

> 1mm in 2 conti3 guous leads

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

The presence of ______ is diagnostic of MI

A

Q waves

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

Isolated, deep Q waves in lead _______ is normal and never pathologic…

A

Lead III

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

any Q waves in lead _____ is NEVER significant

A

lead aVR

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

3 characteristic signs of myocardial ischemia…

A

inverted T waves

Tall, peaked symmetric T waves

ST depression

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Peaked/hyperacute T waves must be > _____ in limb leads and > _____ in precordial leads

A

> 5mm limb

> 10mm precordial

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

What constitutes significant ST depression?

A

> 1mm below baseline in 2 or more contiguous leads

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

A flat ST segment with slight T wave inversion indicates…

A

subendocardial injury or infarction

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

3 criteria for pathologic Q waves…

A

> 0.04s

1/3 height of R wave

2 contiguous leads

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

this represents myocardial injury…

A

ST elevation

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

this represents myocardial infarct…

A

pathologic Q waves

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

What represents ischemia? (3)

A

T wave inversion
symmetric, peaked T waves
ST depression

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

ECG finding for transmural infarct…

A

Q waves

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

non-Q wave infarct represents…

A

subendocardial infarct

17
Q

Anterior MI leads…

A

V1-V4

18
Q

Septal MI leads…

A

V1-V2

19
Q

Anteroseptal MI leads

A

V1-V3

20
Q

Anterolateral MI leads

A

V1/V2 - V5/V6

21
Q

Lateral MI leads

A

Leads I, aVL, V5-V6

22
Q

lateral MI will show reciprocal changes in the _____ leads

A

inferior

23
Q

Inferior MI leads…

A

II, III, aVF

24
Q

reciprocal changes for inferior MI…

A

anterolateral leads

25
Q

Posterior MI ECG findings…

A

reciprocal changes in V1-V2

tall R waves, ST depression

26
Q

Q waves in absence of ST and T waves abnormality indicates…

A

old MI

ECG (9 decks)

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