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John M Morgan

Explore the profile of John M Morgan including associated specialties, affiliations and a list of published articles. Areas
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Articles 105
Citations 1175
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Recent Articles
1.
Wilson D, Sharma-Oates A, Sheldon J, Power D, Lord J, Roberts P, et al.
Open Heart . 2024 Oct; 11(2). PMID: 39401956
Objective: Most patients who have an implantable cardioverter-defibrillator (ICD) implant do not receive life-prolonging therapy from it. Little research has been undertaken to determine which patients benefit the least from...
2.
ElRefai M, Abouelasaad M, Wiles B, Dunn A, Coniglio S, Zemkoho A, et al.
Ann Noninvasive Electrocardiol . 2022 Dec; 28(1):e13028. PMID: 36524869
Introduction: S-ICD eligibility is assessed at pre-implant screening where surface ECG traces are used as surrogates for S-ICD vectors. In heart failure (HF) patients undergoing diuresis, electrolytes and fluid shifts...
3.
Wiles B, Morgan J, Kirk A, Allavatam V, ElRefai M, Roberts P
J Electrocardiol . 2022 Mar; 72:21-27. PMID: 35247804
Introduction: Haemodialysis patients who require defibrillator therapy are expected to benefit from the entirely avascular subcutaneous defibrillator (S-ICD), but haemodialysis is associated with dynamic changes in R and T wave...
4.
Chen H, Das S, Morgan J, Maharatna K
Comput Biol Med . 2022 Jan; 142:105180. PMID: 35026575
Background And Objective: Prediction and classification of Ventricular Arrhythmias (VA) may allow clinicians sufficient time to intervene for stopping its escalation to Sudden Cardiac Death (SCD). This paper proposes a...
5.
Wiles B, Roberts P, Allavatam V, Acharyya A, Vemishetty N, ElRefai M, et al.
Europace . 2022 Jan; 24(8):1267-1275. PMID: 35022725
Aims: Approximately 5.7% of potential subcutaneous implantable cardioverter-defibrillator (S-ICD) recipients are ineligible by virtue of their vector morphology, with higher rates of ineligibility observed in some at-risk groups. Mathematical vector...
6.
Wiles B, Morgan J, Allavatam V, ElRefai M, Roberts P
Pacing Clin Electrophysiol . 2021 Dec; 45(2):182-187. PMID: 34881431
Introduction: Pre-implant ECG screening is performed to ensure that S-ICD recipients have at least one suitable sensing vector, yet cardiac over-sensing remains the commonest cause of inappropriate shock therapy in...
7.
Chen H, Wiles B, Roberts P, Morgan J, Maharatna K
Comput Biol Med . 2021 Sep; 137:104804. PMID: 34478924
Background And Objective: The subcutaneous implantable cardioverter defibrillator (S-ICD) reduces mortality in individuals at high risk of sudden arrhythmic death, by rapid defibrillation of life-threatening arrhythmia. Unfortunately, S-ICD recipients are...
8.
Zakeri R, Morgan J, Phillips P, Kitt S, Ng G, McComb J, et al.
Int J Cardiol . 2020 Mar; 312:64-70. PMID: 32169346
Background: Cardiac implanted electronic devices (CIEDs) can detect short durations of previously unrecognised atrial fibrillation (AF). The prognostic significance of device-detected subclinical AF, in the context of contemporary heart failure...
9.
Zakeri R, Morgan J, Phillips P, Kitt S, Ng G, McComb J, et al.
Eur J Heart Fail . 2020 Jan; 22(3):543-553. PMID: 31908129
Aims: Studies of remote monitoring (RM) in heart failure (HF) speculate that patients with atrial fibrillation (AF) derive the greatest benefit. We compared the impact of RM vs. usual care...
10.
DSouza B, Epstein A, Garcia F, Kim Y, Agarwal S, Belott P, et al.
JACC Clin Electrophysiol . 2018 May; 2(5):615-622. PMID: 29759582
Objectives: This study was conceived to determine the safety and efficacy of the subcutaneous implantable cardioverter-defibrillator (S-ICD) in patients with congenital heart disease (CHD). Background: The S-ICD is a treatment...