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Ventricular Fibrillation, ICD, LBBB, QRS of 210 ms, Positive Smith Modified Sgarbossa Criteria, and Pacemaker-Mediated Tachycardia

Dr. Smith's ECG Blog

Then I always look to see if the initial deflection of the QRS has a lot of voltage change per change in time (seen in tachycardias that are initiated from above the ventricle because the propagate through fast conducting purkinje fiber. Tachycardia exaggerates ST Elevation in LBBB and Paced rhythm 5. Pacemaker mediated tachycardia!

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Very fast regular tachycardia: 2 ECGs from the same patient. What is going on?

Dr. Smith's ECG Blog

ECG#1 There is a regular tachycardia with a ventricular rate of about 180 bpm. Smith comment : When there is a regular wide complex tachycardia, first assess whether it is sinus or not. Put shortly is SVT with "Shark Fin STE" and not ventricular tachycardia. An ECG was recorded immediately and is shown below. Is there OMI?

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Atrial arrhythmia and heart failure in congenital heart disease: a pas de deux with consequences

Heart BMJ

Of these, AA is one of the leading causes for hospital admissions in ACHD care. 1 Factors related to congenital heart disease, such as underlying anatomy, surgical repair technique and scars, can all be considered as AA substrates. Early diagnosis and ECG documentation is therefore essential for arrhythmia management.

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Wide Complex Tachycardia -- VT, SVT, or A Fib with RVR? If SVT, is it AVNRT or AVRT?

Dr. Smith's ECG Blog

male with pertinent past medical history including Atrial fibrillation, atrial flutter, cardiomyopathy, Pulmonary Embolism, and hypertension presented to the Emergency Department via ambulance for respiratory distress and tachycardia. Description : Regular Wide Complex Tachycardia at a rate of about 160. SVT with aberrancy?

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A fascinating electrophysiology case. What is this wide complex tachycardia, and how best to manage it?

Dr. Smith's ECG Blog

She had a single chamber ICD/Pacemaker implanted several years prior due to ventricular tachycardia. Answer : The ECG above shows a regular wide complex tachycardia. Said differently, the ECG shows a rather slow ventricular tachycardia with a 2:1 VA conduction. Cardiac output (CO) was being maintained by the tachycardia.

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Preventive ablation of ventricular tachycardia avoids shocks and hospitalization, finds clinical trial

Medical Xpress - Cardiology

The late-breaking science was presented at EHRA 2024, a scientific congress of the European Society of Cardiology (ESC).

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A young man with another episode of tachycardia. What is it? And why give adenosine in sinus rhythm?

Dr. Smith's ECG Blog

The ECGs show a wide complex, irregularly irregular tachycardia. This patient was admitted to the hospital and taken to the EP lab the following day. At that time, he presented via EMS and had received magnesium and lidocaine prehospital for concerns of ventricular tachycardia. 2 hrs later: Still sinus with subtler WPW.