Understanding ECG Artifacts
Results:
Understanding ECG Artifacts
Key Points Artifacts = non-cardiac signals that distort or obscure true ECG. They come from the patient, leads/equipment, or the environment. Clues to artifact: lacks a physiologic pattern, varies beat-to-beat…
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- junctional escape
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- lead misplacement
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- left anterior fascicular block
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- LVAD
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- Mobitz
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- Mobitz I or Mobitz II: How to tell the difference
- Mobitz II
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- modified lead
- Modified Sgarbossa criteria
- Monomorphic Ventricular Tachycardia
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- monomorphic VT
- mth
- Multifocal atrial tachycardia
- Myocarditis
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- Na channel blocker toxicity
- narrow & irregular tachycardia
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- Narrow complex and regular rhythms
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- narrow qrs bradycardia
- Narrow QRS Bradycardia DDx
- New Q Waves
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- Nielsen
- Nikelekam T-waves
- No clear P waves DDx
- no man's land
- Non-conducted P wave (P:QRS>1) DDx
- non-conducted P waves
- non-conducted PACs
- Non-STE ACS
- Non-sustained Ventricular tachycardia
- Non-sustained VT
- Non-Thrombotic Causes of Acute Coronary Syndrome (ACS)
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- nonsustained
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- Nonsustained VT
- normal
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- Not normal ecg
- NSVT
- Occlusion MI
- Occlusion MI - STEMI Criteria & Beyond
- Occlusion MI patterns
- OMI
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- OMI Pattern
- OMI Pattern: ST Depression V1-V4
- OMI Patterns in Left Bundle Branch Block
- OMI Patterns in Ventricular Paced Rhythms
- OMI Patterns: STEMI (-) Occlusion MI
- Opiate Toxicity
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- overdose
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- p waves
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- PAC
- PAC’s
- Paced rhythms
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- PJTW
- plaque rupture
- plaque vulnerability
- PMVT
- Pocket infection or erosion
- Pokey T wave
- Polymorphic Ventricular Tachycardia
- Polymorphic VT
- Polyuria
- Poor R Wave Progression (PRWP) DDx
- Poor R-wave progression
- post arrest ECG
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- post-arrest
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- Post-arrest NSTE-ACS
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- POSTERIOR OMI
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- postural orthostatic tachycardia syndrome
- Potpourri
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- precordial lead misplacement
- precordial swirl
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- Pregnancy
- Prehospital ECG
- premature atrial complexes
- Premature Atrial Complexes (PACs)
- Premature beats
- Premature complexes
- premature contractions
- premature junctional complexes
- Premature Junctional Complexes (PJCs)
- Premature Ventricular Complexes (PVCs)
- Prolonged QT
- Prolonged QT interval
- prolonged QTc
- Proper 12-Lead ECG Electrode Placement
- Proper ECG Lead Placement
- proper lead placement
- proportionality
- PRWP
- Pseudo Wellens
- Pseudo-Wellens waves
- Pseudonormalization of T-waves
- Pulmonary Embolism
- pulmonary hypertension
- Pulse tapping artifact
- pulse-tapping
- Pulseless Electrical Activity (PEA) in Cardiac Arrest)
- Pulseless Ventricular Tachycardia
- Pulseless Ventricular Tachycardia (pVT) Arrest
- pulseless VT
- PVC
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- qrs axis basics
- QRS Complexes
- QRS fragmentation
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- QRS morphology
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- R wave basics
- R waves
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- R-wave
- R-wave in V1
- R-wave progression
- RAD
- RAE
- rapid af
- rapid afib
- rapid atrial fibrillation
- rate & rhythm
- RBBB
- Really wide complex tachycardia
- reciprocal changes
- Recommended ECG Books
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- refractory ischemia
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- Regular Rhythm
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- Regularized atrial fibrillation
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- repeat ecg
- repolarization abnormalities
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- Respiratory variation
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- right atrial enlargement
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- Right bundle branch block
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- Rightward axis
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- segments
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- Severe Hyperkalemia
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- Short PR interval
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- Sinus arrest
- sinus arrhythmia
- sinus bradycardia
- sinus inversus totalis
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- sinus rhythm
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- Sloof Lirpa Sign
- Slow Atrial fibrillation
- slow ventricular tachycardia
- slow vt
- Sodium channel blocker toxicity
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- spiked
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- spiked-helmet
- Spodick Sign
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- Spontaneous Coronary Artery Dissection
- Spontaneous Coronary Artery Dissection (SCAD)
- ST
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- ST depression V1-V4
- ST Elevation
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- ST segment elevation
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- ST-segment
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- Start high-quality CPR.
- stat
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- STEMI
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- STEMI diagnosis
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- STEMI mimics
- STEMI vs. acute pericarditis
- STEMI vs. Early repolarization
- STEMI vs. Severe Hyperkalemia
- stepwise approach
- strain
- Stress Testing
- Stress tests
- Stress-Induced (Takotsubo) Cardiomyopathy
- Student Level Curriculum
- Subtle ST elevation
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- subtle stemi
- Supraventricular tachycardia
- Supraventricular Tachycardia (SVT)
- Sustained VT
- SVT
- sympathomimetic
- synchronization
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- syncope ddx
- syncope differentials
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- Systematic approach to ECG
- T wave
- T wave inversion differential
- T Wave Inversion in V1-V3 DDx
- T wave inversions in V1-V3
- T wave morphology
- T-wave abnormalities
- T-wave alternans
- T-wave inversion
- T-wave inversions
- T-waves
- Tachycardia
- Takotsubo Cardiomyopathy
- Takotsubo Cardiomyopathy vs. STEMI
- Tall R wave in aVR
- Tall R wave in V1
- Tamponade
- TCA
- TCA overdose
- TCA toxicity
- TdP
- Tension Pneumothorax
- Terminal QRS distortion
- Terminal QRS Distortion (OMI Pattern)
- the basics
- The Bix Rule
- The Bix Rule – Unmasking Atrial Flutter
- The Curriculum
- third degree AV block
- Third-Degree AV Block (Complete Heart Block)
- Thrombolytics
- tombstone
- tombstoning
- too many P waves
- Too Many P Waves (P:QRS>1) DDx
- Top 10 cases of the past 10 years
- Torsades
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- Torsades de Pointes risk
- torsades de points
- Toxicologic Emergencies
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- TP segment
- Transient STEMI
- Tremor artifact
- trifascicular block
- Trigeminy
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- TWI
- Twiddler’s syndrome
- Type A Wellens
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- U-waves
- Understanding ECG Artifacts
- unifascicular
- unstable angina
- Unstable Bradyarrhythmias
- unstable bradycardia
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- unstable tachyarrhythmia
- unstable tachycardia
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- Upright T waves in V1
- urgent cath
- V1
- v1-v2 placed too high
- V1/V2
- vasospasm
- Ventricular aneurysm
- Ventricular dysrhythmias
- ventricular escape rhythms
- Ventricular fibrillation
- Ventricular Fibrillation (VF) Arrest
- ventricular fibrillation mimics
- Ventricular Flutter
- Ventricular Flutter (V-Flutter)
- Ventricular rhythm
- Ventricular rhythms
- Ventricular Tachycardia
- Ventricular Tachycardia (VT)
- Ventricular tachycardia mimics
- Ventricular tachycardia vs. SVT with aberrant conduction
- Ventricular Tachycardiak
- Vereckei aVR
- VF
- voltage
- VT
- VT mimics
- VT vs. SVT with Aberrancy
- w Voltage
- waveforms
- waves
- WCT
- Wellens
- Wellens waves
- Wellens’ syndrome
- Wide & Regular Tachydysrhythmia DDx
- wide complex irregular tachycardia
- Wide complex QRS
- wide complex regular tachycardia
- Wide complex tachycardia
- Wide QRS
- Wide QRS (BBBs & Paced Rhythms) vs. STEMI
- wide qrs bradycardia
- Wide QRS Complex DDx
- wide qrs differential
- Wide QRS interval
- wide vs. narrow QRS
- Wolff Parkinson White
- Wolff-Parkinson White (WPW) Syndrome
- WPW
- wpw syndrome
- WPW syndrome and Pseudo-MI patterns
- WPW vs STEMI
- WPW with Antidromic SVT
- WPW with atrial fibrillation
- WPW with Orthodromic SVT
- WPW with SVT
- Yamaguchi
- Yamaguchi (Apical) Hypertrophic Cardiomyopathy
- Yamaguchi syndrome
- Young patients
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