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Background Irreversible electroporation (IRE) using direct current (DC) is an effective method for the ablation of cardiac tissue. A major drawback of the use of DC-IRE, however, are two problems: requirement of general anesthesia due to severe muscle contractions and the formation of bubbles containing gaseous products from electrolysis. The use of high-frequency alternating current (HF-IRE) is expected to solve both problems, because HF-IRE produces little to no muscle spasms and does not cause electrolysis. Methods In the present study, we introduce a novel asymmetric, high-frequency (aHF) waveform for HF-IRE and present the results of a first, small, animal study to test its efficacy. Results The data of the experiments suggest that the aHF waveform creates significantly deeper lesions than a symmetric HF waveform of the same energy and frequency ( p  = 0.003). Conclusion We therefore conclude that the use of the aHF enhances the feasibility of the HF-IRE method.

Abstract Background Radiofrequency catheter ablation in the left ventricular summit region is a challenging procedure due to proximity to the coronary arteries. Pulsed field ablation, a novel non-thermal ablation modality, does not cause damage to coronary arteries and may be used in the left ventricular summit region. Case summary We describe a 45-year-old symptomatic patient with epicardial left ventricular summit premature ventricular complexes. Successful ablation of the focus was achieved by pulsed field ablation via a subxiphoid epicardial approach. Radiofrequency ablation would most likely have been ineffective due to the epicardial fat layer and potentially unsafe due to the proximity to the coronary arteries. Six months after ablation, the patient was asymptomatic and without ventricular ectopy. Discussion For the first time, epicardial pulsed field ablation was successfully used for ablation of left ventricular summit extrasystole, where radiofrequency ablation could not be used because of the proximity of the coronary arteries. We conclude that pulsed field ablation might be a feasible option for this indication.

Hospitals in Florida that made the Best Hospital list in one of the 16 categories were the H. Lee Moffitt Cancer Center and Research Institute in Tampa; the Mayo Clinic in Jacksonville; Sarasota Memorial Health Care System; University of Miami, Jackson Memorial; and Holy Cross Hospital in Fort Lauderdale.

Once your workday starts, all the time you spend in work-related activities -- including traveling from one work site to another -- should be on the pay clock, said Carlos Burruezo, a labor and employment lawyer with Littler Mendelson in Orlando, Fla.

Former cheerleaders were more likely to be in the travel and insurance industries, while those who had been in student government were more likely to go into education (although presumably these were not the same former politicos who were earning six-figure salaries).

Both hospital systems have decades of experience pursuing and appealing certificates of need -- the most recent example involved the Nemours Foundation's 2 1/2 -year campaign to win state approval for a third children's hospital in Orlando. \"The fact we'll have a medical school, that we have excellent cardiac programs, and we're sending people out of the area [for heart transplants] means it makes sense to have a [heart-transplant] program in Orlando,\" said Karen van Caulil, executive director of the Health Council of East Central Florida.

PRICEY COMMUTES High gas prices are changing the commuting habits of workers, with 44 percent of surveyed U.S. employees saying they have taken steps to cut their commuting costs, according to a new survey by staffing company Robert Half International.

\"U.S. businesses risk a shortage of skilled labor -- not because of the lack of manpower in the wake of retiring baby boomers, but because of the limited transfer of knowledge,\" according to the Randstad report.

Since I am paid by the hour, shouldn't I be compensated for this mandatory training session? A. Hourly employees covered by the federal Fair Labor Standards Act must be compensated for all their work and training time, and they must make at least time-and-a-half pay for each and every hour over 40 in a given workweek.

Do I have a legal right to see the credit-card slips, or is there any other recourse in getting back the several hundred dollars that I am owed? A. The employer doesn't have to show you the credit card slips, and you don't have a wage-and-hour claim since you were paid above the minimum wage, said Dorothy Green, a labor and employment lawyer with Latham, Shuker, Eden & Beaudine in Orlando, Fla.