Dysrhythmias Flashcards

1
Q

Bradydysrythmias description

A

under 60, bradycardia, syncope, LOC

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2
Q

Bradydysrythmia drug

A

atropine

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3
Q

Sinus Tachycardia

A

Regular rhythm over 100, (hypovolemia, anemia, fever, PE, etc)

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4
Q

Sinus Tachycardia Drugs

A

Beta Blockers, Calcium Channel Blockers

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5
Q

Atrial Fib

A

Atrial foci fire randomly, normal or rapid rate, most common sustained dysrythmia, high risk of stroke

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6
Q

A Fib drugs

A

beta blockers, calcium chanel blockers (verapamil, diltiazem), amiodarone (K chanel blocker), oral anticoagulant

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7
Q

A flutter

A

rapid regular atrial beats (250-350bpm) high risk of stroke

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8
Q

A flutter drugs

A

beta blockers, calcium channel blockers (V and D) Amiodarone (K chanel blocker), oral anticoagulant

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9
Q

Sustained Supraventricular Tachycardia

A

HR 150-250, treat the cause (Vagal maneuvers (bear down, cough), cardio version)

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10
Q

Sustained Supraventricular Tachy drugs

A

Beta blockers, CCB, adenosine (drug of choice for paroxysmal SVT episodes)

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11
Q

Premature Vent Contraction

A

benign unless cardiac S/S; in MI may cause V-fib, Several PVC’s = v-tach

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12
Q

Premature Vent Contraction Drugs

A

B Blockers (acebutolol

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13
Q

Sustained vent tachycardia

A

single rapidly firing foci in vent (150-250 bpm) vents can’t pump effectively at this rate

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14
Q

Sustained vent tachycardia drugs first line

A

cardioversion

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15
Q

SVT with pulse drugs

A

amiodarone or lidocaine

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16
Q

SVT long term drugs

A

amiodarone B blocker

17
Q

SVT w/o pulse first line

A

CPR and defibrilation

18
Q

V fib

A

asynchronous firing of multiple vent foci, not cordinated contraction pumping stops, emergency

19
Q

V fib drugs

A

epinephrine
amiodarone

20
Q

1 B sodium channel blocker

A

Lidocaine (short term vent dysrhythmias only!)
1st pass
frequently contains epi

21
Q

1 A sodium channel blocker

A

procainamide
last drug of choice from toxicity
Weekly CBC bc of blood dycrasias
ADR’s lupus like syndrome, nutriopenia, thrombocytopenia

Quinidine (malaria) rarely used

22
Q

Adenosine (misclanious class)

A

IV-immediate onset
pt supine
HL of 10 secs
systole, prolonged PR, monitor RR and BP

23
Q

Potassium Channel Blocker: amiodarone

A

life threatening vent dysrhythmias, PO or IV,
ADR Pulmonary, cardio, thyroid, liver toxicity
opthalmic effects
toxic in preg and b feeding
blue skin, no grapefruit
don’t use in heart blocks

24
Q

Calcium Channel Blockers

A

verapamil diltiazem
supra vent tachycardia, a fib, a flutter
slows rate
ADRs Brady, av block hypoTN, HF, edema, HA, dizzy, flushing, dig toxicity, don’t combine with BBLKR

25
Q

BBLKR

A

a+v dysrhythmias
post MI dysrhythmias, cardioprotection
Esmolol - 9 min half life for SVT a flutter a fib,
acebutolol, po for PVC