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N480 Critical Care > EKGs > Flashcards

EKGs Flashcards

1
Q

Sinus Rhythm

A
  • Rate
  • Regularity
  • P waves
  • QRS
  • Cause
  • Treatments
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2
Q

Sinus Bradycardia

A
  • PQRST
  • Causes
  • Manifestations
  • Treatments
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3
Q

Sinus Tachycardia

A
  • HR
  • PQRST
  • Causes
  • Manifestations
  • Treatments
    + Stable v Unstable
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4
Q

Atrial Fibrillation (A-Fib)

A

Glitch in heart’s electrical system => Atria beat so fast they quiver/fibrillate => Ventricles beat out of sync

  • PQRST
  • Manifestations
    + Stable v Unstable
  • Causes
  • Treatments
    + Stable v Unstable
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5
Q

Atrial Flutter

A
  • Characteristics
  • Causes
  • Treatment
    + Stable
    + Unstable
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6
Q

Ventricular Fibrillation

A
  • PQRST
  • Causes
  • Manifestations
  • Treatment
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7
Q

Supraventricular Tachycardia (SVT)

A
  • Characteristics
  • Reentrant phenomenon
  • Manifestations
  • Treatments
    + Therapy of choice if all else fails
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8
Q

Premature Ventricular Contractions (PVCs)

A
  • A contraction coming from an ectopic focus in ventricles => Premature occurrence of a QRS complex
  • Characteristics
  • Types
    + Multifocal
    + Unifocal
    + Bigeminy
    + Trigeminy
    + Couplet
    + Run of V-tach
  • R-on-T phenomenon
  • Causes
  • Manifestations
  • Treatments
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9
Q

Premature Atrial Contractions (PACs)

A
  • Atria contracts too early (P wave)
  • Characteristics
  • Causes
  • Manifestations
  • Interventions
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10
Q

Ventricular Tachycardia (V-Tach)

A
  • A run of ≥3 PVCs
  • Lethal dysrhythmia
  • Characteristics
    + Think of “large mountains”
  • 1st intervention
  • Causes
  • Manifestations
  • Treatments
    + Present pulse
    + Absent pulse
  • VT Monomorphic
    + Characteristics
    + Treatments
  • VT Polymorphic (“Torsades de pointes”)
    + Characteristics
    + Risk factor
    + Treatments
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11
Q

1st Degree AV Block

A
  • Characteristics
  • Causes
  • Manifestations
  • Treatments
  • Nursing interventions
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12
Q

2nd Degree AV Block Type 1

A
  • Characteristics
    + “Longer longer drop, now you have a Wenckebach”
  • Causes
  • Manifestations
  • Treatments (Stable v. Unstable)
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13
Q

2nd Degree AV Block Type 2

A
  • Characteristics
  • Priority interventions
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14
Q

3rd Degree AV Block

A
  • Dissociation of atria from ventricles w/ no impulses conducted through heart
    + NOT a shockable rhythm
  • Characteristics
  • Causes
  • Manifestations
  • Nursing actions & treatments
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15
Q

Asystole

A
  • Characteristics
  • Causes
  • Manifestations
  • Treatments
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16
Q

Pulseless Electrical Activity (PEA)

A
  • Electrical activity observed on ECG, but no mechanical activity of heart is evident
    + Pt has NO pulse
  • Treatments
17
Q

Synchronized Cardioversion v. Defibrillation

A
  • Cardioversion
    + Indications
  • Defibrillation
    + Indications
    + Monophonic v. Biphasic
    + When to defibrillate a pulseless rhythm
18
Q

Pacemaker

A
  • A-paced
  • V-paced
  • AV-paced
  • Cardiac resynchronization therapy (CRT)
  • Temporary pacemakers
    + Transvenous
    + Epicardial
    + Transcutaneous
  • Pacemaker malfunctions
    + Failure to sense
    + Failure to capture
    + Failure to pace
  • Pt & caregiver teaching

N480 Critical Care (9 decks)

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