AV Dissociation
Results:
Bradycardia, STEMI, and a Misleading Rhythm Diagnosis
A 68-year-old woman calls EMS after having a syncopal episode while using the bathroom. She reports associated chest pain over the past day. The following prehospital ECG is obtained:
High-Grade (Advanced) AV Block
Key Points Definition: A severe form of second-degree AV block with two or more consecutive non‑conducted P waves (for example 3:1, 4:1). Do not force a Mobitz label when multiple…
Ventricular Tachycardia (VT)
Key Points Definition: VT is a wide complex tachycardia arising from the ventricles, defined as ≥3 consecutive ventricular beats, QRS duration >120 ms, with rapid heart rate typically 120-250 bpm….
Bradydysrhythmia: when is it actually considered a complete heart block?
A 52-year-old man presents to the emergency department with chest pain associated with nausea and diaphoresis. The following ECG is obtained on arrival:
Bradyarrhythmias: the nuances of complete heart blocks
A 50-year-old man presents to the emergency department with generalized weakness and lightheadedness. He is noted to be bradycardic, and the following ECG is obtained:
AV Block Bootcamp (Episode 2/3): what is the atrium doing, what is the ventricle doing, and what is their relationship?
A 72-year-old female presents to the ED with dyspnea. The following ECG is obtained:
AV Block Bootcamp (Episode 1/3): differential diagnoses for non-conducted P waves, what you need to know to clinch the diagnosis!
A 78-year-old female presents to the ED with lightheadedness and bradycardia. The following ECG is obtained:
Rhythm Interpretation: is the PR interval constant, lengthening, or randomly changing?
A 78-year-old woman presents to the emergency department after an episode of syncope. The following ECG is obtained:
Rhythm Interpretation: AV dissociation does not always mean there is a complete heart block
A 64-year-old woman presents to the emergency department with sore throat. The following ECG was obtained at triage:
Rhythm Interpretation: is it possible for a 12-year-old to have complete heart block?
A 12-year-old boy is brought into an emergency department in Oman for chest pain and joint pain. The following ECG is obtained:
ECG Tags
- & Myocardial Ischemia
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- 1st degree AV Block
- 1st degree AVB
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- 3rd degree AV block
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- aberrancy
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- Abnormal ECG
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- absent p waves
- Accelerated idioventricular rhythm
- accelerated junctional rhythm
- Acidosis
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- in-training exam
- inappropriate sinus tachycardia
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- Isoelectric baseline
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- Isolated Posterior STEMI
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- ITE prep
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- J point
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- Jervell
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- lead misplacement
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- Left ventricular hypertrophy vs. STEMI
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- modified lead
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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-conducted PACs
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- nonsustained
- nonsustained ventricular tachycardia
- Nonsustained VT
- normal
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- Normal ECG
- normal heart rate
- Normal Heart Rate Ranges by Age
- normal lead placement
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- Normal R wave progression
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- NSVT
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- Occlusion MI patterns
- OMI
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- OMI Pattern: ST Depression V1-V4
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- wide vs. narrow QRS
- Wolff Parkinson White
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- 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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