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Cardio Exam 1 > Tachyarrhythmias - Quiz 2 - SPEND MORE TIME ON THIS > Flashcards

Tachyarrhythmias - Quiz 2 - SPEND MORE TIME ON THIS Flashcards

1
Q

treatment of acute AVRT

A
  • vagal maneuvers
  • adenosine
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2
Q

treatment of atrial flutter

A
  • anticoagulation for stroke prevention
  • AV nodal blockers for rate control
  • catheter ablation
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3
Q

diagnosis from EKG

A

AV nodal reentry tachycardia

  • P wave immediately after (or within QRS)
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4
Q

what do you ablate for treatment of atrial flutter

A
  • cavo-tricuspid isthmus
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5
Q

diagnosis of EKG

A

AF with pre-excitation

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6
Q

diagnosis from EKG

A
  • AVRT (SVT)
  • P wave immediately after QRS
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7
Q

reasons why the conduction would not be travelling through the normal conduction system?

A
  • bundle branch block (aberrancy)
  • pre-excitation (accessory pathway)
  • originates in the ventricle
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8
Q

treatment of chronic VF

A
  • need implantable defibrillator if no reversible cause
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9
Q

treatment of AF with pre-excitation

A
  • DC cardioversion
  • then ablation of accessory pathway
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10
Q

SVT due to

A
  • AV nodal re-entry tachycardia
  • AV re-entry tachycardia
  • unifocal atrial tachycardia (rarest)
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11
Q

AV nodal reentry tachycardia during sinus beats

A
  • conduction occurs via fast pathway
  • conduction via slow pathway is blocked
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12
Q

tachyarrhythmias defined as

A
  • heart rate > 100 BPM
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13
Q

diagnosis from EKG

A
  • atrial flutter (variable conduction)

look at V1 and see the 2:1 and then 4:1 flutter

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14
Q

AF with pre-excitation due to

A
  • AF conducts to ventricle through accessory pathway at very rapid rates
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15
Q

diagnosis from EKG

A
  • sinus tachycarida with RBBB
  • HR > 100
  • sinus P wave (upright in I, II, aVF)
  • T wave inverted in V1 and V2
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16
Q

example of polymorphic ventricular tachycardia

A
  • torsade
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17
Q

conditions with regular narrow (QRS <120) tachycardia

A
  • sinus tachycardia
  • atrial flutter
  • SVT
  • junctional tachycardia

WITH REGULAR AND NARROW YOU WANNA SAY “YASS” BUT INSTEAD YOU SAY “JASS”

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18
Q

atrial flutter- pattern on the EKG

A
  • sawtooth pattern
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19
Q

treatment of chronic AVRT

A
  • catheter ablation of accessory pathway
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20
Q

diagnosis from EKG

A

atrial flutter (4:1 conduction)

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21
Q

diagnosis from EKG

A
  • sinus tachycardia
  • HR > 100
  • sinus P wave (upright in I, II, and aVF)
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22
Q

diagnosis from EKG

A

Atrial fibrillation

  • irregular QRS activity
  • no consistent atrial activity
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23
Q

rate of atrial fibrillation

A
  • variable rate
  • depends on refractoriness of AV node
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24
Q

torsade is seen in

A
  • patients with underlying long QT
  • predisposing to EADs
25
Q

AV nodal reentry tachycardia is due to

A
  • dual AV nodal conduction
26
Q

AV nodal reentry tachycardia during tachycardia

A
  • premature atrial contraction blocks in fast pathway
  • conducts through slow
  • retrograde conduction through fast
  • reentry
27
Q

where would you see this?

A
  • AV nodal reentry tachycardia
  • extra P wave right after QRS
28
Q

role of adenosine

A
  • transiently block AV node
  • causes cell hyperpolarization via A1 receptor
29
Q

rhythm control for symptomatic AF

A
  • DC cardioversion
  • antiarrhythmic drug therapy to suppress abnormal automaticity and disrupt reentry
  • catheter ablation
30
Q

treatment of chronic ventricular tachycarida

A
  • implantable defibrillator
  • antiarrhythmic drug therapy
  • catheter ablation
31
Q

AF maintained by

A
  • functional reentry
32
Q

diagnosis from EKG

A
  • long QT
33
Q

diagnosis of EKG

A

ventricular fibrillation

  • wide, irregular tachycardia
34
Q

atrial flutter - atrial cycle length of approximinately

A
  • 300 bpm (200 ms)
35
Q

typical atrial flutter due to

A
  • re-entrant arrhythmia of the right atrium involving cavo-tricuspid isthmus

IN ENGLISH

the loop is just going around and around the tricuspid valve

36
Q

conditions with an irregular narrow (QRS <120) tachycardia

A
  • atrial fibrillation
  • atrial flutter with variable block
  • multifocal atrial tachycardia

IRREGULAR AND NARROW SAYS “MAA”

DR. MAA WAS A BIT IRREGULAR AND SO STRAIGHT EDGE SO WE’LL CALL HER NARROW HERE

37
Q

wide QRS indicates problem where?

A
  • conduction NOT travelling through normal conduction system
38
Q

AF initiated by

A
  • automaticity or tiggered activity at pulmonary venous muscle sleeves or nonpulmonary venous sites
39
Q

treatment of acute torsade

A
  • defibrillation
  • magnesium
  • rapid pacing
40
Q

treatment of chronic torsade

A
  • implantable defibrillator unless reversible cause
41
Q

diagnosis from EKG

A
  • atrial flutter (2:1) conduction
42
Q

treatment of chronic AVNRT

A
  • AV nodal blocker
  • catheter ablation of slow pathway
43
Q

treatment for atrial fibrillation

A
  • anticoagulation for stroke prevention
  • AV nodal blockers as necessary
44
Q

conditions with irregular wide (QRS > 120) tachycardia

A
  • ventricular fibrillation
  • polymorphic VT
  • atrial fibrillation with aberrancy
  • atrial fibrillation with pre-excitation

IRREGULAR AND WIDE LIKE A VAPE CLOUD. WE GET IT BRO YOU VAAP

45
Q

what is the preferred method of blocking AV nodal transmission if vagal maneuvers are ineffective?

A
  • adenosine as a rapid IV push
46
Q

ventricular tachycarida in patients with structural heart disease

A
  • due to reentry around scar
47
Q

treatment of acute VF

A
  • CPR
  • defibrillation
  • treat underlying cause
48
Q

treatment of sinus tachycardia

A
  • treat underlying cause
49
Q

the most common tachyarrhythmia

A
  • atrial fibrillation
50
Q

diagnosis from EKG

A
  • ventricular tachycardia
  • look for P wave not connected to QRS

Due to rhythm originating in the ventricle

51
Q

diagnosis based on EKG

A

torsade de points

52
Q

diagnosis from EKG

A

AVRT (SVT)

53
Q

treatment for someone in acute AVNRT

A
  • vagal maneuvers
  • adenosine
54
Q

conditions with regular wide (QRS > 120) tachycardia

A
  • ventricular tachycardia
  • SVT with aberrancy
  • SVT with pre-excitation
  • hyperkalemia

VSSH

REGULAR AND WIDE LIKE A VOLUPTOUS HiSS

THINK OF A REGULAR FAT SNAKE

55
Q

ventricular tachycardia in patients without structural heart disease

A
  • due to delayed afterdepolarizations (triggered arrhythmia)
56
Q

diagnosis of EKG

A
  • WPW sinus rhythm
  • look for delta wave
57
Q

treatment of acute ventricular tachycardia

A
  • ACLS
  • CPR, defibrillation
58
Q

atrial flutter - ventricular rate

A
  • at a multiple of 300 bpm

THIS IS A BIG CLUE FOR ATRIAL FLUTTER

Cardio Exam 1 (25 decks)

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