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Mashup Score: 2Detailed mechanism of the paradoxical Coumel phenomenon in a case of orthodromic reciprocating tachycardia - 2 month(s) ago
The Coumel phenomenon is a prolongation of the cycle length of orthodromic reciprocating tachycardia (ORT) during bundle branch block ipsilateral to the accessory pathway (AP), which was first reported by P. Coumel in 1974.1
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Mashup Score: 7
Ventricular pre-excitation is characterized by the presence of a delta wave, a short PR interval, and an increased duration of QRS on the electrocardiogram (ECG); the prevalence of this ECG pattern has been estimated at 1–3 individuals per 1000 persons.1 However, the true prevalence is likely under-represented because at least half of known pre-excitation patients do not develop symptoms, or the conductance through the accessory pathway (AP) could be intermittent. In selected cases, such as those involving high-risk occupations as professional drivers or athletes,1 or according to informed patient choice,2 the ablation of a “low-risk” or intermittent AP could be considered.
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Mashup Score: 4Wideband magnetic resonance sequencing to decrease image artifact in a child with a cardiac implantable device - 2 month(s) ago
Cardiac implantable electronic devices (CIEDs) such as pacemakers and implantable cardioverter defibrillators (ICDs) are a critical component of pediatric cardiac care, particularly in congenital heart disease.1 CIEDs can be life saving, increase longevity, and improve quality of life. Some children may even receive a CIED within the first few hours of life. Children with CIEDs frequently require cardiovascular magnetic resonance imaging (CMR) for disease surveillance and therapeutic management, including surgical planning.
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Mashup Score: 2Pacemaker syndrome: Thinking beyond atrioventricular dyssynchrony - 2 month(s) ago
Pacemaker syndrome has historically been used to describe a constellation of symptoms resulting from the loss of atrioventricular (AV) synchrony or retrograde conduction.1 Originally thought to be a problem limited to single-chamber pacemakers, it is now well established that pacemaker syndrome is not unique to single-chamber pacing and may occur in various pacing modalities.2 Most discussions on pacemaker syndrome ultimately attribute it to a disruption of physiologic AV synchronous contractions.
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Mashup Score: 2Basal cell carcinoma overlying a pacemaker pocket in a pacemaker-dependent patient: Management and course - 2 month(s) ago
The integument is the largest organ in the human body and is a robust barrier to infection, allowing for chronic implant of foreign materials that are noncarcinogenic. Skin layers act as a shield for the organs and provide protection against ultraviolet rays, burns, sores, infections, and tumors.1,2 Basal cell carcinomas (BCC) are locally belligerent, rarely metastasizing epidermal tumors.1,2 BCC is one of the most common tumors of the integument in the developed world.1 It appears mostly on the face and hair-bearing areas and is more frequently inhabiting areas more protected from sunlight.
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Mashup Score: 2Pulsed field ablation through an atrial shunt device - 2 month(s) ago
The Corvia atrial shunt (Corvia Medical. Tewksbury, MA) is a novel treatment for patients with heart failure with preserved ejection fraction (HFpEF) and Farapulse pulsed field ablation (Boston Scientific. Marlborough, MA) is a new treatment for atrial fibrillation (AF). Both involve intervention across the interatrial septum. We present a patient with a pre-existing Corvia atrial shunt, treated using Farapulse pulsed field ablation for pulmonary vein isolation and cavotricuspid isthmus (CTI) line ablation.
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Mashup Score: 4Transhepatic permanent pacemaker lead placement in a patient with limited venous access - 2 month(s) ago
Permanent transvenous cardiac pacemaker implantation has predominantly relied on vascular access through the axillary, subclavian, or cephalic veins. When venous access is limited or compromised, alternative approaches are necessary.1,2 This case report describes the effectiveness of transhepatic access as a feasible solution for individuals with limited venous access.
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Mashup Score: 2“A Heart within the Heart”: A rare case of a large left atrial appendage occluder device related thrombus - 2 month(s) ago
Left Atrial Appendage Occlusion (LAAO) is an alternative to lifelong anticoagulation in patients with atrial fibrillation.1,2 Device related thrombus (DRT) occurs in 3-4% of patients following LAAO.3-5 We describe a case of a large, unique morphology DRT and review the likely cause and procedural techniques to mitigate this.
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Mashup Score: 2Transvenous extraction failure of a recently implanted active fixation coronary sinus lead: Good or bad times? - 2 month(s) ago
Cardiac resynchronization therapy (CRT) has been shown to reduce morbidity and mortality in select patients with heart failure with reduced left ventricle ejection fraction (LVEF); however, in about 10% of patients, CRT fails owing to coronary sinus (CS) lead dislodgment.1–4 Over the past 15 years, active fixation CS leads have been developed to address the need for greater stability of the CS lead.3 Attain StarFix 4195 (Medtronic, Minneapolis, MN), a 5F unipolar steroid-eluting CS lead with an extendable lobe for lead active fixation, demonstrated a significant improvement in dislodgment rates, but with a lower extractability rate, even after a short dwelling period.
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Mashup Score: 2Robotics, remote medicine, AI: Oh my! - 2 month(s) ago
In this issue of Heart Rhythm Case Reports, Griffiths and colleagues1 present “Catheter ablation of premature ventricular contractions from the right anterolateral papillary muscle: A case report of a combined ECG-imaging and remote magnetic navigation approach.” This interesting case resonates on several levels, as a commonly faced clinical challenge and as the cooperative implementation of several potentially transformational technologies.
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Detailed mechanism of the paradoxical Coumel phenomenon in a case of orthodromic reciprocating tachycardia https://t.co/ksOAvmRtjy https://t.co/z1u1op1HUs