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Cardiovascular Health > Tachyarrhythmias > Flashcards

Tachyarrhythmias Flashcards

1
Q

Give three broad complex regular tachycardias

A

SVT with BBB: appearance of BBB
Wolff-Parkinson-White: delta waves
VT: V-A dissociation, fusion and capture beats, concordance

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2
Q

Give three narrow complex regular tachycardias

A

Atrial flutter
AVRT
Atrial ectopic
Sinus tachycardia

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3
Q

Give three broad complex irregular tachycardias

A

Polymorphic VT
VF
Torsades

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4
Q

What is the management of an acute narrow complex tachycardia?

A

Vagal manoeuvres
Adenosine (6mg -> 12mg -> 18mg)
Verapamil in asthmatics
DC Cardioversion

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5
Q

What is the management of a broad complex tachycardia?

A

ABCDE
Vagal manoeuvres
If VT: Amiodarone
If VF: Magnesium sulphate

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6
Q

What are the ECG features in Wolff-Parkinson-White?

A

Short PR interval, broad QRS, delta wave

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7
Q

What features suggest instability with arrhythmia?

A

Shock/hypotension
Syncope
Heart failure
Myocardial ischaemia

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8
Q

Which electrolyte disturbances cause prolonged QT?

A

Low K+, Mg2+ and Ca2+

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Cardiovascular Health (25 decks)

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