Sodium channel blocker toxicity
Results:
2024 EM Boards ECG Review Part II
A 55-year-old man with a known left bundle branch block presents to ABEM general hospital with acute chest pain. Vital signs are normal and his pain is slightly improved with…
Wide Complex Tachycardias: clues to VT mimics when the heart rate is too slow or the QRS complexes are too wide
An unknown aged female is being transported to the emergency department by EMS for altered mental status. She is agitated and slurring words. Vitals: 98/65, RR 24, HR 162. The…
Differential Diagnoses: must know causes of right axis deviation and wide QRS complexes
A 30-year-old man is pulled over by police for speeding. He begins feeling nauseous and has multiple episodes of vomiting. During transport to the emergency department by EMS he is…
STAT ECG Diagnoses: must know ECG differentials in the evaluation of patients with altered mental status
A young woman presents to the ED unconscious with a GCS of 4. The following ECG was obtained during the initial evaluation:
Differential Diagnoses: the biggest reason we miss a diagnosis is that we make a diagnosis, and then stop looking
HPI: An unresponsive 45-year-old male is brought in to your ED by ambulance. His wife found him unconscious at home and called 911. History is otherwise limited. Case ECG
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
- Approach to ECG interpretation
- 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
- Atrial dysrhythmias
- Atrial fibrillation
- Atrial Fibrillation with WPW
- Atrial flitter
- Atrial flutter
- Atrial parasystole
- Atrial septal defect
- Atrial tachycardia
- Atrifact
- AV Block
- AV Blocks
- AV Dissociation
- AVB
- AVD
- aVL
- aVR
- Axis
- Barcelona criteria
- Basics
- BBB
- Benign early repolarization
- BER
- bigeminy
- Biphasic T-waves
- Bix rule
- Bizzare rhythm
- Blocked PAC’s
- Board review
- Bradycardia
- BRASH syndrome
- Brugada
- Brugada Pattern
- Brugada syndrome
- CAD
- Cardiac arrest
- Cardiac tamponade
- Cardioversion
- CCB toxicity
- CHB
- Chemotherapy
- Chest Pain
- clumped beats
- Cocaine toxicity
- Complete Heart Block
- Computer ECG interpretation
- Computer interpreted ECGs
- Computer interpreted electrocardiograms
- coronary angiography
- COVID-19
- Crochetage
- Crochetage pattern
- 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
- Ectopic beats
- electrical alternans
- Electrical storm
- Electrocardiographic polyuria
- Electrolytes
- Elevated intracranial pressure
- Emergent cath lab activation
- EMS
- EMS cases
- Epsilon waves
- escape rhythm
- Evolving STEMI
- Fascicular blocks
- GERD
- grouped beats
- Guidelines
- Heart block
- High grade AV block
- high grade AV blocks
- high lateral STEMI
- High Voltage
- Himalayan T-waves
- History of presenting illness
- HOCM
- Hypeacute T waves
- Hyperacute T-waves
- Hypercalcemia
- Hyperkalemia
- hyperkalemia mimics
- Hyperkalemic Periodic Paralysis
- Hypertrophic Cardiomyopathy
- Hypertrophic obstructive cardiomyopathy
- 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
- Long QT-interval
- Long QTc
- long ST segment
- Low Voltage
- Low voltage QRS
- LPFB
- LVAD
- LVAD Dysrhythmias
- LVADs
- LVH
- LVH with strain pattern
- Lyme carditis
- Marijuana
- Massive STEMI
- 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
- Pacer
- 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
- Post-arrest NSTE-ACS
- Post-arrest STEMI
- post-cardiac arrest ecg
- Posterior MI
- Posterior STEMI
- Potpourri
- PR segment
- PR segments
- Pre-hospital ECG
- preexcitation
- preexcitation syndrome
- Preexcitation syndromes
- Pregnancy
- Prehospital ECG
- 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
- QRS fragmentation
- 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
- Regular Wide Complex Tachycardia
- 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
- RVMI
- RWCT
- S wave
- SAH
- Salvador Dali
- Seizure
- Seizures
- Septal STEMI
- Serial ECG
- Serial ECGs
- Severe hypothyroidism
- Sgarbossa
- Sgarbossa Criteria
- Shark fin morphology
- Shark fin STEMI
- Short PR interval
- Short QT
- Short QT interval
- Short QTc
- Sinus arrest
- sinus arrhythmia
- sinus rhythm
- Sinus rhythms
- Sinus Tachycardia
- Sloof Lirpa Sign
- Slow Atrial fibrillation
- Sodium channel blocker toxicity
- South Africa sign
- Spiked Helmet sign
- Spodick Sign
- Spodick’s Sign
- ST
- ST depression
- ST depression V1-V4
- ST Elevation
- ST segment elevation
- ST-segment
- ST-segment depression
- STD
- STE
- STE in aVR
- STEMI
- STEMI equivalent
- STEMI equivalents
- STEMI mimics
- STEMI vs. acute pericarditis
- STEMI vs. Early repolarization
- strain
- Stress Testing
- Stress tests
- Sustained VT
- SVT
- Syncop
- Syncope
- 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
- Troponin
- TWI
- U-waves
- unstable bradycardia
- V1
- V1/V2
- 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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