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Long-term outcome after surgical repair of a rapid-grown ischemic ventricular aneurysm causing ventricular tachycardia.

ABSTRACT: While improved treatment numerically decreased ventricular aneurysms after myocardial infarction, respective cases still represent a clinical challenge due to difficulties in diagnosis, complications like tachycardia, and controversies in state-of-the-art treatment. Our case illustrates good long-term outcome of surgical aneurysmectomy in cases where ventricular geometry can be restored to near-physiological dimensions.

SUBMITTER: Gensler D

PROVIDER: S-EPMC6406219 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Long-term outcome after surgical repair of a rapid-grown ischemic ventricular aneurysm causing ventricular tachycardia.

Gensler Daniel D Müntze Jonas J Nordbeck Peter P

Clinical case reports 20190117 3

While improved treatment numerically decreased ventricular aneurysms after myocardial infarction, respective cases still represent a clinical challenge due to difficulties in diagnosis, complications like tachycardia, and controversies in state-of-the-art treatment. Our case illustrates good long-term outcome of surgical aneurysmectomy in cases where ventricular geometry can be restored to near-physiological dimensions. ...[more]

PMID: 30899461

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Project description:This scenario was developed to educate emergency medicine residents on the diagnosis and management of ventricular tachycardia (VT) that is refractory to single dose anti-arrhythmic management. Electrical storm, defined as three or more episodes of sustained VT, ventricular fibrillation, or appropriate shocks from an implantable cardioverter defibrillator within 24 hours,1 has a mortality rate up to 14% in the first 48 hours.2 Ventricular tachycardia may present in a heterogenous fashion, not only with stable versus unstable clinical presentations, but also with different electrocardiographic morphologies and etiologies.1 Understanding how to rapidly diagnose, treat, and utilize second or third-line treatments is vital in the setting of refractory ventricular tachycardia rather than relying on the success of first-line agents. Appreciation for what medications are readily available in your crash cart and medication dispensing cabinet is critical for timely management for refractory ventricular tachycardia. At the conclusion of the simulation session, learners will be able to: 1) identify the different etiologies of VT, including structural heart disease, acute ischemia, and acquired or congenital QT syndrome; 2) describe confounding factors of VT, such as electrolyte abnormalities and sympathetic surge; 3) describe how to troubleshoot an unsuccessful synchronized cardioversion, including checking equipment connections, increasing delivered energy, and changing pad placement; 4) compare and contrast treatments of VT based on suspected underlying etiology; 5) describe reasons to activate the cardiac catheterization lab other than occlusive myocardial infarction; and 6) identify appropriate disposition of the patient to the cardiac catheterization lab. This session was conducted using high-fidelity simulation, followed by a debriefing session and lecture on the diagnosis, differential diagnosis, and management of VT. Debriefing methods may be left to the discretion of participants, but the authors have utilized advocacy-inquiry techniques. This scenario may also be run as an oral board case. Our residents are provided a survey at the completion of the debriefing session so they may rate different aspects of the simulation, as well as provide qualitative feedback on the scenario. The local institution's simulation center's electronic feedback form is based on the Center of Medical Simulation's Debriefing Assessment for Simulation in Healthcare (DASH) Student Version Short Form3 with the inclusion of required qualitative feedback if an element was scored less than a 6 or 7. Twelve learners completed a feedback form. This session received 6 and 7 scores (consistently effective/very good and extremely effective/outstanding, respectively) other than three isolated 5 scores. The lowest average score was 6.67 for "Before the simulation, the instructor set the stage for an engaging learning experience." The highest average score was 7 for "The instructor helped me see how to improve or how to sustain good performance." The form also includes an area for general feedback about the case at the end. Illustrative examples of feedback include: "Excellent care and debrief." Specific scores are available upon request. This is a cost-effective method for reviewing VT diagnosis and management. The case may be modified for appropriate audiences, such as describing what medications may be readily available in a free-standing emergency department or pre-hospital setting. Medical simulation, ventricular tachycardia, cardiac emergencies, dysrhythmias, cardiology, emergency medicine.

Dataset Information

Long-term outcome after surgical repair of a rapid-grown ischemic ventricular aneurysm causing ventricular tachycardia.

Publications

Long-term outcome after surgical repair of a rapid-grown ischemic ventricular aneurysm causing ventricular tachycardia.

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