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ECG > 106-140 > Flashcards

106-140 Flashcards

1
Q

electrical ___ is very effective in restoring normal sinus rhythm in patients with atrial flutter

A

cardioversion

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2
Q

Atrial fibrillation has an __ __ ventricular rate, usually between __-__ BPM and no __ wave

A

irregularly irregular
120-180
P

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3
Q

What is the most common sustained arrhythmia in the general population?

A

atrial fibrillation

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4
Q

what does MAT stand for?

A

multifocal atrial tachycardia

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5
Q

MAT is very common in patients with severe __ disease, but rarely requires ___.

A

pulmonary

treatment

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6
Q

MAT has an ___ rhythm

A

irregular

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7
Q

MAT has a __ wave before each __ complex

A

P

QRS

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8
Q

In order to identify MAT, one must find at least __ different __ waves morphologies

A

3

P

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9
Q

What does PAT stand for?

A

paroxysmal atrial tachycardia

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10
Q

PAT has a __ rhythm with a rate of __-__ BPM

A

regular, 100-200

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11
Q

PSVT has ___ rhythm, P waves are __ (if visible), rate_-_, carotid massage will __ it.

A

regular
retrograde
150-250
terminate

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12
Q

Ventricular arrhythmias are rhythm disturbances arising __ the __ node.

A

below

AV

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13
Q

what is the most common ventricular arrhythmias?

A

PVC (premature ventricular contraction)

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14
Q

A run of _ or more PVC is called ___

A

3

ventricular tachycardia

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15
Q

In ventricular tachycardia the heart rate is usually between -. It is considered a medical ___.

A

120-200

emergency

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16
Q

Ventricular fibrillation is a ___ event seen almost solely in __ hearts. __ is necessary.

A

preterminal
dying
defibrillation

17
Q

Torsade de pointes is usually seen in patients with prolonged __ intervals

A

QT

18
Q

Prolonged QT can be caused by: X6

A 
congenital
hypokalemia
hypomagnesemia
hypocalcemia
MI
drugs (antiarrhythmic/tricyclic..)
19
Q

supraventricular arrhythmias are associated with a __ QRS, while ventricular with a __ QRS complex

A

narrow, wide

20
Q

What are the 3 different locations for conduction block?

A

sinus, AV, BBB

21
Q

First degree AV block is characterized by a prolonged__ in conduction at the__node or__

A

delay
AV
His bundle

22
Q

diagnosis of 1st degree AV block requires PR interval > ___ seconds

A

0.2

23
Q

1st degree AV block is a misnomer since there is only a __ in the __, not a block.

A

delay

conduction

24
Q

In 1st degree AV block, each ___complex is preceded by a single __ wave

A

QRS

P

25
Q

1st degree AV block is common in __ hearts, but also an early sign of ___ disease of the ___ system or transient manifestation of __/__ toxicity

A

normal, degenerative, conduction, myocarditis/drug

26
Q

In 2nd degree AV block not every __ impulse is able to pass into the __.

A

atrial

ventricles

27
Q

In 2nd degree AV block the P/QRS ratio is > __

A

1:1

28
Q

Mobitz type 1 second degree AV block is also called ___

A

Wenckebach block

29
Q

Wenckebach block is almost always due to block within the __ node

A

AV

30
Q

Wenckebach: progressive ___ of the __ interval until __ is dropped.

A

prolongation, PR, QRS

31
Q

Mobitz type II is usually due to a block below the __ node, in the bundle of __.

A

AV

HIS

32
Q

Mobitz type II is an all or nothing conduction, in which __ complexes are dropped without __ of the __ interval

A

QRS
prolongation
PR

33
Q

3rd degree AV block can be either at the __ node or __ it.

A

AV

below

34
Q

In 3rd degree AV block no beats are conducted through the __. The __ and __ are driven by independent ___.

A

ventricles
atria
ventricles
pacemakers

35
Q

In 3rd degree block we can see AV ___.

A

dissociation

ECG (5 decks)

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