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EKG > 12 Leads > Flashcards

12 Leads Flashcards

1
Q

What leads are lateral?

A

I, avL, V5, V6

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2
Q

What leads are inferior?

A

II, III, avF

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3
Q

What leads are septal?

A

V1, V2

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4
Q

What leads are anterior?

A

V3 - V4

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5
Q

What leads are posterior?

A

V1-V4 ST depression reciprocal leads

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6
Q

What arteries are associated with inferior wall?

A

RCA, PDA, PLB

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7
Q

What arteries are associated with septal wall?

A

Septals only (rare solo)

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8
Q

What arteries are associated with anterior wall?

A

LAD

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9
Q

What arteries are associated with lateral wall?

A

Diagonals or obtuse marginals (rare solo)

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10
Q

What arteries are associated with posterior wall?

A

Circumflex

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11
Q

What arteries are associated with antero-septal?

A

LAD/Septals

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12
Q

What arteries are associated with antero-lateral?

A

LAD/Diagonals

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13
Q

What arteries are associated with infero-lateral?

A

RCA, PDA, PLB

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14
Q

What arteries are associated with postero-lateral?

A

Circumflex/obtuse marginals

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15
Q

What lead is used to identify a bundle branch block?

A

V1

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16
Q

What leads can left atrial enlargement be seen in?

A

I, II, III, avL, V4-V6

17
Q

What is different about the p-wave in left atrial enlargement?

A

P-wave is broad (>.12sec) or notched

18
Q

What leads can right atrial enlargement be seen in?

A

II, III, avF

19
Q

What is different about the p-wave in right atrial enlargement?

A

Tall, peaked p-waves (>2.5mm)

20
Q

What EKG changes can be seen in someone with hypernatremia?

A

None

21
Q

What EKG changes can be seen in someone with hyponatremia?

A

None

22
Q

What EKG changes can be seen in someone with hyperkalemia?

A

Tall, narrow and peaked T-waves
VT/VF/asystole

23
Q

What EKG changes can be seen in someone with hypokalemia?

A

Sinus bradycardia, AV blocks, flattened T-waves

24
Q

What EKG changes can be seen in someone with hypercalcemia?

A

Short QT interval, short ST segment

25
Q

What EKG changes can be seen in someone with hypocalcemia?

A

Long QT interval, long ST segment

26
Q

What EKG changes can be seen in someone with hypermagnesemia?

A

None

27
Q

What EKG changes can be seen in someone with hypomagnesemia?

A

Potential for Torsades dā€™ Pointes

EKG (3 decks)

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