Normal ECG Flashcards by Ann yo | Brainscape

Q

What will be inverted in aVR?

A

EVERYTHING

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Q

How long should the QRS complex be?

If normal

A

0.05-0.1 seconds (3 small boxes)

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Q

What does an ST depression indicate?

A

SubENDOcardial ischemia

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Q

What does a ST elevation indicate?

A

SubEPIcardial or transmural injury/ischemi

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Q

What does the QT duration represent?

A

Length of ventricular systole

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Q

What ischemic patterns are seen in T wave?

A

Inverted
Tall upright
Hyperkalemia

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Q

What is the normal rhythm ?

A

Sinus

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Q

What does a p-wave following QRS indicate?

A

SVT
(AV nodal re-entry tachycardia)

-junctional rhythm

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Q

What does NO p wave indicate?

A

A-fib

Atrial flutter

Junctional or ventricular escape rhythms

Junctional tachycardia

VT

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Q

What does a HR over 100 indicate?

A

Tachycardia

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Q

What does a HR less than 60 indicate?

A

Bradycardia

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Q

What indicates left axis deviation?

A

Positive - lead 1

Negative - aVF

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Q

What indicates Right Axis Deviation?

A

Negative - lead 1

Positive - aVF

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