Tue.Oct 24, 2023

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Left Bundle Branch Block

ECG Guru

Why is this a left bundle branch block? We see a SR with broad QRS complexes (more than 120 ms). These are positive in the leftward leads I and aVL and in V5 and V6. In the more rightward leads III, aVR, and V1-V3, the QRS complexes are predominantly negative with deep S waves. This is a typical LBBB pattern.

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Study shows engineered gut bacteria can treat hypertension

Science Daily - Heart Disease

Newly published research proves that it's possible to treat high blood pressure by using specially engineered Lactobacillus paracasei to produce a protein called ACE2 in the gut, reducing gut angiotensin II and, in turn, lowering blood pressure. The study, done in lab rats that are predisposed to hypertension and unable to naturally produce ACE2, opens new doors in the pursuit of harnessing our body's own microbiome to regulate blood pressure.

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Ventricular Tachycardia

ECG Guru

There are several differential diagnoses in the presence of broad-complex tachycardia. The most common cause of wide-complex tachycardia is ventricular tachycardia. In 2nd place is sinus tachycardia/supraventricular tachycardia with aberrant conduction or preexisting bundle branch block.

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Stopping Aspirin Within 1 Month After Stenting for Ticagrelor Monotherapy in Acute Coronary Syndrome: The T-PASS Randomized Noninferiority Trial

Circulation

Circulation, Ahead of Print. Background:Stopping aspirin within 1 month after implantation of a drug-eluting stent (DES) for ticagrelor monotherapy has not been exclusively evaluated for patients with acute coronary syndrome (ACS). The aim of this study was to investigate whether ticagrelor monotherapy after <1 month of dual antiplatelet therapy (DAPT) is noninferior to 12 months of ticagrelor-based DAPT for adverse cardiovascular and bleeding events in patients with ACS.Methods:In this r

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Right Bundle Branch Block

ECG Guru

Why is this a right bundle branch block? We see a SR with broad QRS complexes (more than 120 ms). These are positive in the rightward leads III and especially in V1 and V2. In the more leftward leads I, aVL, V4-V6 there are clear S waves. This is a typical RBBB pattern.

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Compound Heterozygous Truncating Variants in the BAG5 Gene As a Cause of Early-Onset Dilated Cardiomyopathy

Circulation: Genomic and Precision Medicine

Circulation: Genomic and Precision Medicine, Ahead of Print.

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One-Year Outcomes After Amulet or Watchman Device for Percutaneous Left Atrial Appendage Closure: a Pre-Specified Analysis of the SWISS-APERO Randomized Clinical Trial

Circulation

Circulation, Ahead of Print.