EKG (diseases only) Flashcards Preview

S&F III: Exam 1 > EKG (diseases only) > Flashcards

Flashcards in EKG (diseases only) Deck (41):
1

Right Atrial Enlargement

Lead II
increased P wave amplitude first curve

2

Lt Atrial Enlargement

Lead V1
increased P amplitude and duration second curve

3

Rt Ventricular Hypertrophy

Rt axis shift
Lead V1: R>S
Lead V6: S>R

4

Lt Ventricular Hypertrophy

S in V1 + R in V5/6 => 35 mm
R in lead I > 15 mm

5

RBBB

widened QRS
RSR' in lead I
Prominent S in V6

6

LBBB

widened QRS
Lead I: no R, prominent S
V6: no Q, broad R

7

LAFB

Left Axis Deviation
Lead I: Q
Lead III: wide/deep S

8

LPFB

Right Axis deviation
Lead I: wide/deep S
Lead III: Q

9

Posterior MI

Lead V1/2: increased R wave NO axis deviation
RCA

10

Inferior MI

II, III, AVF: Q wave
RCA

11

Anteroseptal MI

V1, V2: Q
LAD

12

Anteroapical MI

V3,V4: Q
LAD

13

Extensive Ant MI

V1-V6: Q
LCA

14

Anterolateral MI

V5,V6: Q
CFX

15

Transient Myocardial Ischemia

V2-V6: T wave depression
depression of ST segment

16

Acute ST Segment Elevation MI (STEMI)

Elevation overlying infarction; depression in opposite leads

Q WAVES

17

Acute Non-STEMI

coronary thrombus

opposite of STEMI (depression at infarct)
no Q waves

18

Hypokalemia

ST depression, flattened T
*** U WAVE*****

19

Hyperkalemia

TALL TALL T

20

hypercalcemia

shortened QT

21

hypocalcemia

prolonged QT

22

Sinus Bradycardia

everything normal but TS interval = decreased HR

23

SSS

bradycardia-tachycardia syndrome

24

Junctional escape rhythms

(AV node/bundle of His)
No P wave, normal QRS
40-60 bpm

25

ventricular escape rhythm

(purkinje fibers)
no P wave, WIDENED QRS
30-40 bpm

26

1* AV Block

PR interval >0.2 sec

27

2* AV block Type I

PR interval progressively increases until skip in QRS

28

2* AV block Type II

sudden loss of QRS
widened QRS when present

29

3* AV block @ AV

no relationship btwn P and QRS
normal QRS @ 40-60

30

3* AV block @ His

QRS widened slow rate, no rltn with P

31

Sinus Tachychardia

SA>100 bpm; normal P and QRS

32

APB

early than expected P wave with weird shape

33

Atrial Flutter

sawtooth appearance, 2a:1v ( fixed circuit reentry)

34

afib

no p waves, irregularly timed QRST (random reentry)

35

PSVT

reentry at av node

36

AVNRT

no P wave, regular tachycardia

37

AVRT (Wolf-Parkinson)

PR <.12
QRS slurred, widened

38

VPB

widened QRS complex, T wave inverted (patterned)

39

VT

widened QRS

40

torsades de pointes

polymorphic VT produced by early afterdepol

41

vfib

flat line with some bumps