Publications by authors named "R G Sy"
Background: Hydroquinidine reduces arrhythmic events in patients with Brugada syndrome (BrS). The mechanism by which it exerts antiarrhythmic benefit and its electrophysiological effects on BrS substrate remain incompletely understood.
Objective: This study aimed to determine the effect of hydroquinidine on ventricular depolarization and repolarization in patients with BrS in vivo.
Objectives: Community health workers (CHWs) fill in the insufficiency of health professionals in low-income countries. The CHWs' roles include health education of their constituents whose health they likewise take care. This study aimed to describe the concept and understanding of diabetes among CHWs in the Philippines.
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- There is limited understanding of how idiopathic ventricular fibrillation (IVF) starts, but previous research suggests that it usually doesn't depend on pauses in heart rhythm.
- The study aimed to investigate the initiation patterns of polymorphic ventricular tachycardia (PVT) in IVF patients, analyzing a total of 410 arrhythmia episodes among 180 patients.
- Results showed that about 27.2% of PVT episodes were pause-dependent, with the majority occurring during normal heart rhythms and initiating PVCs mostly having short coupling intervals (under 350 ms).
Background: Hospital re-admission for persons with Crohn's disease (CD) is a significant contributor to morbidity and healthcare costs. We derived prediction models of risk of 90-day re-hospitalization among persons with CD that could be applied at hospital discharge to target outpatient interventions mitigating this risk.
Methods: We performed a retrospective study in persons with CD admitted between 2009 and 2016 for an acute CD-related indication.
Catheter ablation for atrial fibrillation (AF) has increased exponentially in many developed countries, including Australia and New Zealand. This Expert Position Statement on Catheter and Surgical Ablation for Atrial Fibrillation from the Cardiac Society of Australia and New Zealand (CSANZ) recognises healthcare factors, expertise and expenditure relevant to the Australian and New Zealand healthcare environments including considerations of potential implications for First Nations Peoples. The statement is cognisant of international advice but tailored to local conditions and populations, and is intended to be used by electrophysiologists, cardiologists and general physicians across all disciplines caring for patients with AF.
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