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Atrial fibrillation is associated with an increased risk of heart failure, dementia, and stroke. [3] [12] It is a type of supraventricular tachycardia. [14] Atrial fibrillation frequently results from bursts of tachycardia that originate in muscle bundles extending from the atrium to the pulmonary veins. [15]
Amiodarone is an effective, antiarrhythmic-of-choice in achieving cardioversion to sinus rhythm in critical care populations with new onset atrial fibrillation (NOAF). However, other anti-arrhythmic agents may exert superior rhythm control, rate control and lower mortality rate which may be more favourable than amiodarone in specific cases. [32]
Atrial fibrillation: Red dots show atrial fibrillation activity. Atrial fibrillation meets the definition of SVT when associated with a ventricular response greater than 100 beats per minute. It is characterized as an "irregularly, irregular rhythm" both in its atrial and ventricular depolarizations and is distinguished by its fibrillatory ...
New research suggests that there may be more than 10.5 million people in the United States living with atrial fibrillation, that is, three times more cases than experts had previously estimated.
When the atrial rhythm is irregular (as in atrial fibrillation or sinus arrhythmia) the presence of bigeminy depends on the length of the P–P interval and happens more frequently with a longer interval. As with post PVC pauses, a longer P–P interval leads to a higher chance of re-entrant circuits and thus PVCs.
For example, it can be used to convert new-onset atrial fibrillation, and although was initially thought to be suboptimal for this purpose, a growing body of literature is amounting in support for this exact cause. [4] [5] It is administered by mouth, by intramuscular injection, or intravenously. [6] [7]
Rheumatic heart disease, heart failure, atrial fibrillation, infection of the valves [1] Usual onset: 2–4 weeks after a streptococcal throat infection, age 5–14 years [2] Causes: Autoimmune disease triggered by pathogenic strains of Streptococcus [1] Risk factors: Genetic factors, malnutrition and poverty. [1] Diagnostic method
The New York Times' recent game, "Strands," is becoming more and more popular as another daily activity fans can find on the NYT website and app. With daily themes and "spangrams" to discover ...
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