J-waves
Results:
J Wave Basics
Key Points Definition: A J wave (Osborn wave) is a distinct hump or slur at the end of the QRS at or just after the J point. The J point…
STAT ECG Diagnoses: right ventricular hypertrophy criteria, electrical alternans vs. respiratory variation, and much more
An ill appearing patient arrives to the emergency department in extremis and history is limited. The following ECG is obtained:
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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- differential diagnoses
- differential diagnoses for left axis deviation
- Diffuse ST elevation
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- high risk pe
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- history of ecg
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- HOCM
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- hyperkalemia mimics
- Hyperkalemia vs. STEMI
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- Hyperkalemic paralysis
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- hyponatremia
- Hypothermia
- Idioventricular rhythms
- Impressive syndrome
- in-training exam
- inappropriate sinus tachycardia
- incomplete right bundle branch block
- indeterminate axis
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- Indeterminate Axis differentials
- indeterminate QRS axis
- inferior STEMI
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- intermittent
- Intermittent WPW
- intervals
- Intracranial hemorrhage
- Intractable chest pain
- inverted P Waves
- Inverted T Waves
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- IRBBB
- Irregular rhythm
- irregular rhythms
- Ischemia
- Ischemia & Infarction
- Ischemic T-waves
- Isoelectric baseline
- Isoelectric segment
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- Isolated Posterior STEMI
- Isorhythmic AV dissociation
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- ITE prep
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- J point
- J Point Basics
- J wave
- J-waves
- Jervell
- Jervell and Lange-Nielsen Syndrome
- JLNS
- Josephson Sign
- Josephson’s sign
- junctional escape
- junctional escape capture bigeminy
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- lead misplacement
- lead V1
- left anterior fascicular block
- Left Atrial Enlargement
- Left axis deviation
- left axis deviation ddx
- left bundle branch block
- left posterior fascicular block
- Left Ventricular Hypertrophy (LVH)
- Left ventricular hypertrophy vs. STEMI
- lewis
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- narrow qrs bradycardia
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- New Q Waves
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- Nielsen
- Nikelekam T-waves
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- Non-STE ACS
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- Nonspecific intraventricular conduction delay
- nonsustained
- nonsustained ventricular tachycardia
- Nonsustained VT
- normal
- Normal Cardiac Conduction
- Normal ECG
- normal heart rate
- Normal Heart Rate Ranges by Age
- normal lead placement
- normal qrs axis
- Normal R wave progression
- Normal Sinus Rhythm
- Normal STAT ECG
- Normal variant patterns
- normal variant ST elevation
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- NSVT
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- 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
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- OMI Patterns: STEMI (-) Occlusion MI
- Opiate Toxicity
- orthodromic
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- proper lead placement
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- repeat ecg
- repolarization abnormalities
- Rescue PCI
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- Respiratory variation
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- Revised Sgarbossa Criteria
- Rhythm
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- right atrial enlargement
- Right axis
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- Right Axis Deviation Basics
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- 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
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- RV STEMI
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- RVMI
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- S wave
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- second degree av block
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- Second-Degree AV Block with 2:1 Conduction
- segments
- Seizure
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- Serial ECG
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- Severe Hyperkalemia
- Severe Hypothermia
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- Sgarbossa
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- Shark fin STEMI
- Short PR interval
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- Short QT Syndrome
- Short QTc
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- SHS
- sick sinus syndrome
- Sinoatrial Exit Block
- Sinoatrial Nodal Reentry Tachycardia
- Sinoatrial Nodal Reentry Tachycardia (SANRT)
- 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
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- Sodium channel blocker toxicity
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- spiked
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- spiked-helmet
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- ST
- ST depression
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- ST depression V1-V4
- ST Elevation
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- Wide complex QRS
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- Wide complex tachycardia
- Wide QRS
- Wide QRS (BBBs & Paced Rhythms) vs. STEMI
- wide qrs bradycardia
- Wide QRS Complex DDx
- wide qrs differential
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- wide vs. narrow QRS
- Wolff Parkinson White
- Wolff-Parkinson White (WPW) Syndrome
- WPW
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- WPW syndrome and Pseudo-MI patterns
- WPW vs STEMI
- WPW with Antidromic SVT
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- WPW with Orthodromic SVT
- WPW with SVT
- Young patients
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