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Cardio > ECG - Advanced > Flashcards

ECG - Advanced Flashcards

1
Q

What is meant by superventricular rhythm

A

Electrical signals that are generated above the ventricle

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2
Q

What are the sites of supraventricular rhythm

A

Atrium, AV node (junctional), SA node

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3
Q

What is the reason for a supraventricular ectopic escape

A

Non firing from respective Node etc above

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4
Q

WHa are the characteristics of a Supraventricular ectopic escape

A

SA node - P waves
AV node (junctional) no P wave
Atrium - Abnormal P wave
Will all retain normal QRS waves, then a long delay while heart returns to sinus rhythm

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5
Q

What is meant by ventricular rhythm

A

Electrical signals that are generated in the ventricle

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6
Q

What is observed in ventricular ectopic escape

A

Abnormal QRS wave and inverted T wave after sinus rhythm, sometimes a R on T can be seen

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7
Q

Characteristics of Atrial tachycardia

A

Very fast regular rhythm of 150 bpm, p waves are hard to see as can be within preceeding T wave, QRS waves are normal

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8
Q

Characteristics of Atrial flutter

A

P wave rate of up to 300 bpm but dont all give rise to QRS, typcially a saw tooth appearance, QRS waves normal

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9
Q

Characteristics of Atrial fibrillation

A

Classically described at Irregularly Irregular, no P waves

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10
Q

Characteristics of Junctional Tachycardia

A

Very similar to atrial tachycardia yet no P waves

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11
Q

Characteristics of ventricualr tachycardia

A

Distorted QRS wavevs yet regular, widened with no P or T waves

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12
Q

Characteristics of RBBB

A

V1 will look like a M, and V6 will look like a W

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13
Q

Characteristics of LBBB

A

V1 will look like a W, and V6 will look like a M

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14
Q

Characteristics of Ventricualr Fibrillations

A

Is off the charts, no recognizable rhythm and will typcially look like leads havn’t been attached properly, patient will normally lose conscienceness at this stage - defib immediately

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15
Q

Characteristics of Wolf- Parkinson- White syndrome

A

QRS will have a delta wave, a small upstroke in the QRS as the left ventricle de-polarises before the right ventrricle due to re-entry circuits

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16
Q

1st degree heart block

A

Extended PR interval (>200ms)

17
Q

2nd Degree heart block, type 2 Movitzs

A

Not every P wave results in a QRS, can be described at 2:1 etc

18
Q

2nd Degree heart block, type 1 Movitzs

A

Continual delay of P wave relative to ventricular depolarisation and hence PR interval will be continually extending until a QRS is missed

19
Q

Complete heart block

A

P waves and QRS waves have no correlation with each other

Cardio (14 decks)

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