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Heart/blood > ECG > Flashcards

ECG Flashcards

1
Q

Atrial flutter

A

Recurring, regular, sawtoothed-shaped flutter waves.

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2
Q

Complete heart block

A

More P waves than QRS complexes. PR interval is variable.

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3
Q

Second degree AV block, type 2

A

Presence of more P waves than QRS complexes. PR interval is constant on conducted beats. Reflects an intermittent block of atrial impulses

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4
Q

Atrial fibrillation

A

Total disorganization of atrial electrical activity resulting in the loss of effective atrial contraction. Rate 350-600/min. P waves are not visible (replaced by fibrillatory waves). Amiodarone. Cardioversion possible.

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5
Q

P waves

A

Atrial depolarization. SA node originated impulse. Atrial systole

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6
Q

QRS complex

A

Ventricular depolarization

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7
Q

PR segment

A

Length of time it takes for the impulse to travel through the AV node, bundle of His, and Purkinje fibers. Ventricular systole

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8
Q

T wave

A

Ventricular repolarization. Ventricular diastole.

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Heart/blood (3 decks)

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