Objective: Cardiac amyloidosis is under diagnosed and its prevalence is unknown. This is a retrospective, nonrandomised, single centre study of patients with endomyocardial biopsy-proven cardiac amyloidosis focusing on their echocardiographic and electrocardiogram (ECG) presentations. This is the first case series in Malaysia on this subject. Methods: We identified all of our endomyocardial biopsyproven cardiac amyloidosis patients from January 2010 to January 2018 and reviewed their medical records. All patients echocardiographic and ECG findings reviewed and analysed comparing to basic mean population value. Results: In total there are 13 biopsy-proven cardiac amyloidosis patients. All of the biopsies shows light chain (AL) amyloid. Majority of the patients (8, 61.5%) is male, and most of our patients (8, 61.5%) is Chinese. All seven patients on whom we performed deformation imaging have apical sparing pattern on longitudinal strain echocardiogram. Mean ejection fraction is 49.3%, (SD=7.9). All patients have concentric left ventricular hypertrophy and right ventricular hypertrophy. Diastolic dysfunction was present in all of our patients with nine out of 13 patients (69.2%) having restrictive filling patterns (E/A ≥2.0 E/e' ≥15). On electrocardiogram, 12 (92%) patients have prolonged PR interval (median 200ms, IQR 76.50ms) and 9 (69.2%) patients have pseudoinfarct pattern. Conclusion: Echocardiography plays an important role in diagnosing cardiac amyloidosis. The findings of concentric left ventricular hypertrophy with preserved ejection fraction without increased in loading condition should alert the clinician towards its possibility. This is further supported by right ventricular hypertrophy and particularly longitudinal strain imaging showing apical sparing pattern.

Introduction: Atrial fibrillation (AF) is the most commoncardiac arrhythmia with significant morbidity and mortalityin relation to thromboembolic stroke. Our study aimed toevaluate the safety and efficacy of dabigatran in strokeprevention in elderly patient with nonvalvular AF with regardto the risk of ischemic stroke and intracranial haemorrhage(ICH) in real-world setting.Methods: A retrospective cohort study of 200 patients ondabigatran and warfarin from January 2009 till September2016 was carried out. Data were collected for 100 patients ondabigatran and 100 patients on warfarin.Results: The mean follow-up period was 340.7±322.3 daysfor dabigatran group and 410.5±321.2 days for warfaringroup. The mean time in therapeutic range (TTR) was52±18.7%. The mean CHA2DS2 -VASc score for dabigatrangroup was 4.4±1.1 while 5.0±1.5 for warfarin group. None indabigatran group experienced ischemic stroke compared toone patient in warfarin group (p=0.316). There was onepatient in dabigatran group suffered from ICH compared tonone in warfarin group (p=0.316). Four patients in warfaringroup experienced minor bleeding, while none fromdabigatran group (p=0.043).Conclusion: Overall bleeding events were significantly lowerin dabigatran group compared to warfarin group. In thepresence of suboptimal TTR rates and inconveniences withwarfarin therapy, non-vitamin-K antagonist oralanticoagulants (NOAC) are the preferred agents for strokeprevention in elderly Asian patients for nonvalvula

Introduction: Apical Hypertrophic Cardiomyopathy (Apical HCM) is an uncommon variant of hypertrophic cardiomyopathy, but it is relatively more common in Asian countries. This is a retrospective, non-randomised, single centre study of patients with Apical HCM focusing on their diastolic dysfunction grading, echocardiographic parameters and electrocardiograms (ECG). Methods: All Apical HCM patients coming for clinic visits at the Institut Jantung Negara from September 2017 to September 2018 were included. We assessed their echocardiography images, grade their diastolic function and reviewed their ECG on presentation. Results: Fifty patient were included, 82% (n=41) were males and 18% (n=9) females. The diastolic function grading of 37 (74%) patients were able to be determined using the updated 2016 American Society of Echocardiography (ASE) diastolic guidelines. Fifty percent (n=25) had the typical ace-ofspades shape left ventricle (LV) appearance in diastole and 12% (n=6) had apical pouch. All patients had T inversion in the anterior leads of their ECG, and only 52% (n=26) fulfilled the ECG left ventricular hypertrophy (LVH) criteria. Majority of our patients presented with symptoms of chest pain (52%, n=26) and dyspnoea (42%, n=21). Conclusion: The updated 2016 ASE guideline makes it easier to evaluate LV diastolic function in most patients with Apical HCM. It also helps in elucidating the aetiology of dyspnoea, based on left atrial pressure. Clinicians should have a high index of suspicion for Apical HCM when faced with deep T inversion on ECG, in addition to a thick LV apex with an aceof-spades appearance during diastole.