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Cardiopulmonary > ECG > Flashcards

ECG Flashcards

1
Q

4 Steps to check EKG

A
  1. Speed
  2. QRS Wide or narrow
  3. P wave
  4. Regular or Irregular
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2
Q

Rule of 300

A

5 Boxes: 60bpm
4 Boxes: 75bpm
3 Boxes: 100 bpm
2 Boxes: 150bpm
1 Box: 300bpm

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3
Q

Length of EKG Components

A

P Wave: 2-3 boxes
PR interval: 3-5 boxes
QRS: 1.5-3 boxes

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4
Q

Lead I

A

-limb lead
Right arm to Left arm
-normal wave form

-Circumflex A.
-lat wall of LV

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5
Q

Lead II

A

-limb lead
Right arm to lower limb
-normal wave form

-Right Coronary A.
-Inferior portion of heart/apex

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6
Q

Lead III

A

-limb lead
-leftt arm to lower limb
-normal wave form (may have inverted P and t wave)

-Right Coronary Artery
-Inferior portion of heart/apex

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7
Q

aVF Lead

A

-augmented lead
Middle of body to lower limb

-Right coronary Artery
-Inferior portion of heart/apex
-normal wave form

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8
Q

aVL Lead

A

-augmented lead
From middle to Left arm

-Circumflex A.
-lat wall of LV
-normal wave form

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9
Q

aVR Lead

A

-augmented lead
From middle of body to right arm

-Top of RV
-inverted wave form

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10
Q

V1

A

On Right 4th intercostal space
-septal, precordial lead
-L Ant. Descending A.

-inverted P-wave, deep S
-RV

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11
Q

V2

A

On Left 4th intercostal space
-septal, precordial lead
-L Ant. Descending A.

-inverted P-wave, deep s
-RV, septum

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12
Q

V3

A

On left between 2 and 4
-Anterior Heart, precordial lead

-Right coronary A.
-RV, septum, ant. heart

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13
Q

V4

A

On left 5th intercostal space mid clavicular line
-Anterior Heart, precordial lead

-Larger R, small s
-Right coronary A., ant heart

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14
Q

V5

A

On left 5th intercostal space anterior axillary line
-Lateral heart, precordial lead

-Larger R, small s
-Circumflex A., lat wall of heart

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15
Q

V6

A

On left 5th intercostal space mid axillary line
-Lateral heart, precordial lead

-Larger R, small s
-Circumflex A., lat wall of heart

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16
Q

Premature Ventricular Contraction

A

-random cell in ventricles fire out of sync of the rest, prematurely
-wide QRS

17
Q

Ventricular Bigeminy

A

-PVCs occur every 2 beats

18
Q

Ventricular Trigeminy

A

-PVCs occur every 3 beats

19
Q

Ventricular Couplet

A

-PVCs occur in 2s

20
Q

Ventricular Triplet

A

-PVCs occurr in 3s
-non sustained ventricular tachycardia
-STOP and check vitals

21
Q

Ventricular Tachycardia

A

-fast/large/wide QRS with no p wave, regular
-emergency

22
Q

Supraventricular Tachycardia

A

-fast/narrow QRS
-comes from atria not SA node

23
Q

Junctional Rhythm

A

-slow (40bpm) /no p wave/inverted T wave
-originates away from atria but depolarizes ventricles

24
Q

ST Elevation

A

-Acute MI
-Stimi

25
Q

ST Depression

A

-Angina/ischemia

26
Q

P Wave Inversion

A

-Heart block with junctional rhythm

27
Q

T Wave Inversion

A

-MI or ischemia
-BBB
-hypertrophy

28
Q

Ventricular Fibrilation

A

-dangerous, call code
-irregular/fast/small

29
Q

Atrial Fibrilation

A

-chaos/irregular
-QRS present, no p wave
-multiple cells firing

30
Q

Atrial Flutter

A

-saw tooth/bread knife
-1 cell going crazy
-QRS present and irregular

31
Q

Torsades De Pointes

A

-V tach with prolonged QT, irregular
-Looks crazy…how are you alive

32
Q

Right Bundle Branch Block

A

-delayed depolarization of RV
-right lead (V1): “M” in QR, deep S
-Left lead (V6): “W” in S wave

33
Q

R-Wave to find HR

A

-add up r waves in one strip x 6= HR

34
Q

Left Bundle Branch Block

A

-delayed depolarization of LV
-right lead (V1): “W” in R wave
-Left lead (V6): “M” in R wave

-anomally always at tip of QRS

35
Q

1st Degree AV Block

A

-husband is late but comes home, long PR interval
-from SA node
-slow HR

36
Q

2nd Degree AV Block : Type 1

A

-husband is later and later and then doesn’t come home
-longer PR interval then dropped QRS
-AV node

37
Q

2nd Degree AV Block : Type 2

A

-husband randomly doesn’t come home
-normal PR intervals
-randomly dropped QRS
-Bundle of his

-DONT WORK WITHOUT PACEMAKER

38
Q

3rd Degree AV Block

A

-normal p wave unrelated to QRS, no corrrelation of QRS
-random p waves

-DONT WORK WITHOUT PACEMAKER

Cardiopulmonary (23 decks)

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