Two medications from one manufacturer recalled for a failure that can cause heart attacks
A total of 135 batches of potassium chloride capsules have been recalled because the extended release capsules might not release.
Jul 1, 2024
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A total of 135 batches of potassium chloride capsules have been recalled because the extended release capsules might not release.
Jul 1, 2024
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A heart attack is a life-threatening condition, with patients remaining at risk of premature death long after the actual attack—50% to 60% of patients die subsequently as a result of sudden cardiac death, triggered by cardiac ...
Jun 28, 2024
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A new study in Heart Rhythm has examined the potential dangers of consuming energy drinks for patients with genetic heart diseases. A cohort of 144 sudden cardiac arrest survivors was examined at Mayo Clinic, of which seven ...
Jun 6, 2024
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Wireless implantable cardioverter-defibrillators (ICDs) eliminate the lead-related complications that come with a wired ICD, but they are unsuitable for patients with ventricular tachycardia, when the heart beats too quickly, ...
May 18, 2024
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Panera Bread announced May 8 that it's phasing out its highly caffeinated "Charged Lemonade" drinks that have been blamed for the deaths of at least two people.
May 10, 2024
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Using light pulses as a model for electrical defibrillation, Göttingen scientists developed a method to assess and modulate the heart function. The research team from the Max Planck Institute for Dynamics and Self-Organization ...
Apr 23, 2024
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The Canadian Cardiovascular Society (CCS) Fitness to Drive Guidelines have been updated to provide the latest advice on driving restrictions for private and commercial drivers. Using the CCS Risk of Harm formula and available ...
Apr 10, 2024
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A team at the Centro Nacional de Investigaciones Cardiovasculares (CNIC) has made a breakthrough discovery in the understanding of cardiac arrhythmias by unraveling the complexities of Andersen-Tawil syndrome (ATS), an extremely ...
Apr 10, 2024
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With the start of a new year, smokers and vapers may have resolved to quit or cut back on the habit to improve their health. They may want to use caution, however, if their strategy involves switching from cigarettes to e-cigarettes, ...
Jan 5, 2024
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To fill gaps in knowledge of yellow fever (YF), a group of researchers in Brazil affiliated with the Department of Pathology at the University of São Paulo's Medical School (FM-USP), Hospital das Clínicas (HC, the hospital ...
Dec 19, 2023
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Cardiac dysrhythmia (also known as arrhythmia and irregular heartbeat) is any of a large and heterogeneous group of conditions in which there is abnormal electrical activity in the heart. The heart beat may be too fast or too slow, and may be regular or irregular.
Some arrhythmias are life-threatening medical emergencies that can result in cardiac arrest. Others cause symptoms such as an abnormal awareness of heart beat (palpitations), and may be merely annoying. These palpitations have also been known to be caused by atrial/ventricular fibrillation, wire faults, and other technical or mechanical issues in cardiac pacemakers/defibrillators. Still others may not be associated with any symptoms at all, but may predispose the patient to potentially life threatening stroke or embolism.
Some arrhythmias are very minor and can be regarded as normal variants. In fact, most people will on occasion feel their heart skip a beat, or give an occasional extra strong beat; neither of these is usually a cause for alarm.
Proarrhythmia is a new or more frequent occurrence of pre-existing arrhythmias, paradoxically precipitated by antiarrhythmic therapy, which means it is a side effect associated with the administration of some existing antiarrhythmic drugs, as well as drugs for other indications. In other words, it is a tendency of antiarrhythmic drugs to facilitate emergence of new arrhythmias.
The term sinus arrhythmia refers to a normal phenomenon of mild acceleration and slowing of the heart rate that occurs with breathing in and out. It is usually quite pronounced in children, and steadily decreases with age. This can also be present during meditation breathing exercises that involve deep inhaling and breath holding patterns.
This text uses material from Wikipedia licensed under CC BY-SA