Limb lead reversal
Results:
Potpourri of cases: generic polymorphic ventricular tachycardia vs. torsades de pointes, regularized atrial fibrillation, and much more!
A 60-year-old man presents to the emergency department with generalized weakness and intermittent palpitations. Vital signs are normal on arrival. The following ECG is obtained during an episode of palpitations:
Potpourri of cases: differential diagnoses for long QTc intervals, diagnosing occlusion MI in LBBB and paced rhythms, and so much more!
A 48-year-old woman is brought into the emergency department with fever and altered mental status. The following ECG is obtained on arrival:
ECG Tags
- 11th Annual UMEM ECG Competition
- 1st degree AV Block
- 1st degree AVB
- 2:1 AV Block
- 2:1 AVB
- 2015 ECG Competition
- 2015 ECG Competition Part II
- 2016 ECG Competition
- 2017 ECG Competition Part II
- 2018 ECG Competition Part II
- 2019 ECG Competition
- 2020 ECG Competition
- 5 Step Approach
- 5-FU
- aberrancy
- Aberrant conduction
- Accelerated idioventricular rhythm
- Acidosis
- ACS
- ACS mimics
- ACS RIsk Factors
- Acute MI
- Acute Pericarditis
- Adenosine sensitive VT
- Advanced AV block
- Afib
- Afib with WPW
- AIVR
- AMI
- Amiodarone
- Anemia
- Anterior STEMI
- Aortic Dissection
- Approach to ECG
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- April Fools
- Arrhythmogenic right ventricular cardiomyopathy
- Arrhythmogenic right ventricular dysplasia/cardiomyopathy
- Arrhythmogenic RV Dysplasia
- Artifact
- ARVC
- ARVD
- ASD
- Ashman phenomenon
- Aslanger
- Aslanger's Pattern
- Atherosclerosis
- Athlete’s ECG
- atrial arrhythmias
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- Atrial flitter
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- Atrial parasystole
- Atrial septal defect
- Atrial tachycardia
- Atrifact
- AV Block
- AV Blocks
- AV Dissociation
- AVB
- AVD
- aVL
- aVR
- Axis
- Barcelona criteria
- Basics
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- Benign early repolarization
- BER
- bigeminy
- Biphasic T-waves
- Bix rule
- Bizzare rhythm
- Blocked PAC’s
- Board review
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- BRASH syndrome
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- Brugada Pattern
- Brugada syndrome
- CAD
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- Cardioversion
- CCB toxicity
- CHB
- Chemotherapy
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- clumped beats
- Cocaine toxicity
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- Computer ECG interpretation
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- coronary angiography
- COVID-19
- Crochetage
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- de Winter T-wave
- de Winter T-waves
- Delta waves
- deWinter
- deWinter T-waves
- Dextrocardia
- Diffuse ST elevation
- Diffuse ST-segment Elevation
- Diffuse STE
- Digoxin effect
- Digoxin toxicity
- DKA
- Dysrhythmia
- Dysrhythmias
- Early cardiac ischemia
- Early ECG evidence of ischemia
- Early ischemia
- Early ischemic changes
- Early reciprocal changes
- Early Repolarization
- early repolarization vs/ STEMI
- early signs of cardiac ischemia
- early signs of ischemia
- ECG Basics
- ECG Competition 2023
- ECG interruptions
- Ectopic atrial rhythm
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- electrical alternans
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- Electrocardiographic polyuria
- Electrolytes
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- EMS
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- Epsilon waves
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- Guidelines
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- History of presenting illness
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- Hypercalcemia
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- Hypocalcemia
- Hypokalemia
- Hypothermia
- Idioventricular rhythms
- Impressive syndrome
- inferior STEMI
- Intermittent WPW
- Intracranial hemorrhage
- Intractable chest pain
- inverted P Waves
- Inverted U-waves
- IRBBB
- Irregular rhythm
- irregular rhythms
- Ischemia
- Ischemic T-waves
- Isoelectric baseline
- Isoelectric segment
- Isolated Posterior STEMI
- Isorhythmic AV dissociation
- Isorhythmic AVD
- J point
- J wave
- J-waves
- junctional rhythm
- Junctional rhythms
- Juvenile T wave inversions
- Juvenile T-wave pattern
- LAD
- LAFB
- Large T-waves
- LBBB
- lead misplacement
- lead V1
- Left axis deviation
- left posterior fascicular block
- Lewis lead
- LGL
- limb lead misplacement
- Limb lead reversal
- Literature review
- Long QT
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- Long QTc
- long ST segment
- Low Voltage
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- LPFB
- LVAD
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- LVH
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- Lyme carditis
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- MAT
- Mechanisms of ACS
- MI
- Mobitz
- Mobitz conduction
- Mobitz I
- Mobitz II
- Mobitz II AV block
- Modified Sgarbossa criteria
- monomorphic VT
- Multifocal atrial tachycardia
- Myocarditis
- Myxedema
- Na channel blocker toxicity
- narrow & irregular tachycardia
- narrow & regular tachycardia
- Narrow complex and regular rhythms
- Narrow complex irregular rhythms
- Narrow complex irregular tachycardia
- Narrow Complex Regular Tachycardia
- Narrow Complex Tachycardia
- Nikelekam T-waves
- non-conducted PACs
- Non-STE ACS
- Non-sustained Ventricular tachycardia
- Non-sustained VT
- Nonspecific intraventricular conduction delay
- nonsustained ventricular tachycardia
- Normal ECG
- Normal Sinus Rhythm
- Normal variant patterns
- normal variant ST elevation
- Normal variants
- NSVT
- Occlusion MI
- OMI
- Osborn waves
- overdose
- PAC
- PAC’s
- Paced rhythms
- Pacemaker
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- palpitations
- Pauses and clumped beats
- PE
- PE vs. STEMI
- Pediatric ECG
- Pediatric ECG Interval Table
- Pediatrics
- Pericardial effusion
- Pericardial Tamponade
- Pericarditis
- Periodic paralysis
- Persistent juvenile T-wave pattern
- PFO
- plaque rupture
- plaque vulnerability
- Polymorphic Ventricular Tachycardia
- Polymorphic VT
- Polyuria
- Poor R-wave progression
- post arrest ECG
- post-arrest
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- Posterior MI
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- Potpourri
- PR segment
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- Pre-hospital ECG
- preexcitation
- preexcitation syndrome
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- Pregnancy
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- Premature beats
- Premature complexes
- premature contractions
- Prolonged QT
- Prolonged QT interval
- prolonged QTc
- PRWP
- Pseudo Wellens
- Pseudo-Wellens waves
- Pseudonormalization of T-waves
- Pulmonary Embolism
- pulmonary hypertension
- PVC
- PVCs
- PVT
- Q-waves
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- QRS-interval
- R waves
- R-on-T phenomenon
- R-wave
- R-wave in V1
- R-wave progression
- RAD
- rate & rhythm
- RBBB
- Really wide complex tachycardia
- reciprocal changes
- Reflux
- Regular Really Wide Complex Tachycardia
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- Regularized atrial fibrillation
- repolarization abnormalities
- Rescue PCI
- Resolved ST segment elevation
- Respiratory variation
- Retrograde P waves
- Revised Sgarbossa Criteria
- Rhythm
- Rhythm Interpretation
- Right axis
- Right Axis Deviation
- Right bundle branch block
- right heart strain
- Right sided leads
- Right Ventricular Hypertrophy
- Rightward axis
- rollercoaster T waves
- RRWCT
- RV MI
- RV STEMI
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- RWCT
- S wave
- SAH
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- Seizure
- Seizures
- Septal STEMI
- Serial ECG
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- Severe hypothyroidism
- Sgarbossa
- Sgarbossa Criteria
- Shark fin morphology
- Shark fin STEMI
- Short PR interval
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- Short QTc
- Sinus arrest
- sinus arrhythmia
- sinus rhythm
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- Sinus Tachycardia
- Sloof Lirpa Sign
- Slow Atrial fibrillation
- Sodium channel blocker toxicity
- South Africa sign
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- ST Elevation
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- STEMI
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- strain
- Stress Testing
- Stress tests
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- Systematic approach to ECG
- T wave inversion differential
- T-wave abnormalities
- T-wave alternans
- T-wave inversion
- T-wave inversions
- T-waves
- Tachycardia
- Tall R wave in V1
- Tamponade
- TCA
- TCA overdose
- TCA toxicity
- Terminal QRS distortion
- Thrombolytics
- Torsades
- Torsades de pointes
- torsades de points
- Toxicology
- TP segment
- Transient STEMI
- Tremor artifact
- Trigeminy
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- U-waves
- unstable bradycardia
- V1
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- vasospasm
- Ventricular aneurysm
- Ventricular dysrhythmias
- Ventricular fibrillation
- Ventricular rhythm
- Ventricular rhythms
- Ventricular Tachycardia
- Ventricular tachycardia mimics
- Ventricular tachycardia vs. SVT with aberrant conduction
- Ventricular Tachycardiak
- VF
- VT
- VT mimics
- w Voltage
- WCT
- Wellens
- Wellens waves
- Wellens’ syndrome
- Wide complex QRS
- wide complex regular tachycardia
- Wide complex tachycardia
- Wide QRS
- Wide QRS interval
- wide vs. narrow QRS
- Wolff Parkinson White
- WPW
- WPW with atrial fibrillation
- WPW with SVT
- Young patients
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