Osborn waves
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Osborn Wave
Key Points What Are Osborne Waves? Osborne waves are positive deflections at the junction of the QRS complex and the ST segment, also known as the J point. While they…
ECG findings in hypothermia
A 77-year-old male is brought into the ED after being found unconscious in his home. The following prehospital ECG was obtained and compared to an old normal ECG:
ECG Tags
- & Myocardial Ischemia
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- 1st degree AV Block
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- 3rd degree AV block
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- aberrancy
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- Abnormal P wave Axis DDx
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- differential diagnoses
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- Diffuse ST elevation
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- ecg history
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- Emergent cath lab activation
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- Epsilon waves
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- extreme axis deviation
- Fascicular blocks
- fever
- Flattened T Waves
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- Fusion Beats
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- High grade AV block
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- Hypercalcemia
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- Hypocalcemia
- Hypokalemia
- hypokalemia emergencies
- Hypomagnesemia
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- Hypothermia
- Idioventricular rhythms
- Impressive syndrome
- inappropriate sinus tachycardia
- incomplete right bundle branch block
- indeterminate axis
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- inferior STEMI
- intermittent
- Intermittent WPW
- intervals
- Intracranial hemorrhage
- Intractable chest pain
- inverted P Waves
- Inverted T Waves
- Inverted U-waves
- IRBBB
- Irregular rhythm
- irregular rhythms
- Ischemia
- Ischemic T-waves
- Isoelectric baseline
- Isoelectric segment
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- Isolated Posterior STEMI
- Isorhythmic AV dissociation
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- J point
- J wave
- J-waves
- Jervell
- Jervell and Lange-Nielsen Syndrome
- JLNS
- junctional escape rhythms
- junctional rhythm
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- killer differentials
- LAD
- LAFB
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- Large T Wave DDx
- Large T-waves
- LBBB
- LBBB DDx
- lead misplacement
- lead V1
- left anterior fascicular block
- Left axis deviation
- left axis deviation ddx
- left bundle branch block
- left posterior fascicular block
- Left Ventricular Hypertrophy (LVH)
- Lewis lead
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- Long QT
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- Long QTc
- long ST segment
- Low Voltage
- low voltage differential
- Low voltage QRS
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- LPFB
- LQT1 (KCNQ1 Mutation)
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- No clear P waves DDx
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- Non-sustained VT
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- normal
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- normal heart rate
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- normal qrs axis
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- rate & rhythm
- RBBB
- Really wide complex tachycardia
- reciprocal changes
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- Regular Really Wide Complex Tachycardia
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- Regularized atrial fibrillation
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- repolarization abnormalities
- Rescue PCI
- Resolved ST segment elevation
- Resources & Recommendations
- Respiratory variation
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- Reverse R wave progression
- Revised Sgarbossa Criteria
- Rhythm
- Rhythm Interpretation
- right atrial enlargement
- Right axis
- Right Axis Deviation
- Right Axis Deviation DDx
- Right bundle branch block
- right heart strain
- Right sided leads
- Right Ventricular (RV) STEMI Criteria
- Right Ventricular Hypertrophy
- Rightward axis
- rollercoaster T waves
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- RV MI
- RV Outflow Tract Tachycardia (RVOT)
- RV STEMI
- rvh
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- S wave
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- Short PR interval
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- sick sinus syndrome
- Sinoatrial Exit Block
- Sinoatrial Nodal Reentry Tachycardia
- Sinoatrial Nodal Reentry Tachycardia (SANRT)
- Sinus arrest
- sinus arrhythmia
- sinus bradycardia
- sinus inversus totalis
- Sinus Node Dysfunction
- sinus rhythm
- Sinus rhythms
- Sinus Tachycardia
- situs inversus
- situs inversus totalis
- Sloof Lirpa Sign
- Slow Atrial fibrillation
- slow ventricular tachycardia
- slow vt
- Sodium channel blocker toxicity
- South Africa sign
- spiked
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- spiked-helmet
- Spodick Sign
- Spodick’s Sign
- ST
- ST depression
- ST depression V1-V4
- ST Elevation
- ST Elevation DDx
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- ST segment elevation
- ST Segment Elevation in aVR with Multi Lead ST Segment Depression
- ST-segment
- ST-segment depression
- stat
- stat ecg
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- STD
- STE
- STE differential diagnosis
- STE in aVR
- STEMI
- STEMI Criteria
- STEMI equivalent
- STEMI equivalents
- STEMI mimics
- STEMI vs. acute pericarditis
- STEMI vs. Early repolarization
- stepwise approach
- strain
- Stress Testing
- Stress tests
- Subtle ST Segment Elevation (STE)
- Supraventricular tachycardia
- Supraventricular Tachycardia (SVT)
- Sustained VT
- SVT
- Syncop
- Syncope
- syncope ddx
- syncope differentials
- syncope emergencies
- Systematic approach to ECG
- T wave inversion differential
- T Wave Inversion in V1-V3 DDx
- 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
- Terminal QRS distortion
- the basics
- Thrombolytics
- too many P waves
- Torsades
- Torsades de pointes
- torsades de points
- Toxicologic Emergencies
- Toxicology
- TP segment
- Transient STEMI
- Tremor artifact
- trifascicular block
- Trigeminy
- Troponin
- TWI
- Type A Wellens
- Type B Wellens
- U-waves
- Understanding ECG Artifacts
- unifascicular
- unstable bradycardia
- unstable tachyarrhythmia
- unstable tachycardia
- Upright T waves in V1
- V1
- v1-v2 placed too high
- V1/V2
- vasospasm
- Ventricular aneurysm
- Ventricular dysrhythmias
- ventricular escape rhythms
- Ventricular fibrillation
- ventricular fibrillation mimics
- Ventricular Flutter
- Ventricular rhythm
- Ventricular rhythms
- Ventricular Tachycardia
- Ventricular Tachycardia (VT)
- Ventricular tachycardia mimics
- Ventricular tachycardia vs. SVT with aberrant conduction
- Ventricular Tachycardiak
- 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 bradycardia
- Wide QRS interval
- wide vs. narrow QRS
- Wolff Parkinson White
- 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
- Young patients
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