心房纖維顫動
Atrial Fibrillation
Atrial fibrillation is also called A-fib or atrialfib. This is an abnormal heart rhythm.
心房纖維顫動（Atrial fibrillation），英文亦簡 稱A-fib或atrial fib。心房纖維顫動是心律失常的表現。
The heart’s rhythm is controlled by electricalsignals in the heart. The sinus node sendselectrical signals to the rest of the heart.These signals cause the heart to contractand pump blood. Normally, the heartcontracts and relaxes at a regular rate. Withatrial fib, the sinus node does not start theelectrical signal. Signals come from otherspots in the right or left atrium. This causesthe heart to beat irregularly and at times veryfast.
心臟內的電信號控制心律。心竇向心臟其它部位發出電信號，促使收縮，泵送血液。正常情況下，心臟收縮和舒張有固定的節律。發生心房纖維顫動後，電信號不再是由心竇發出，而是來自左心房或右心房的其它部位。這導致心臟跳動不正常，有時候非常快。
Signs of Atrial Fib
• Irregular heart beat
• The feeling of rapid thumping inside thechest called heart palpitations
• Shortness of breath
• Tire easily with activity
• Feel faint, dizzy or lightheaded
心房纖維顫動的跡象
• 心跳不規律
• 心悸，即自覺心跳加速
• 氣短
• 稍作活動即感疲勞
• 感到暈眩、頭暈或頭重腳輕
Your Care
Your doctor will check your pulse and listenwith a stethoscope for an irregular heartbeat. Your doctor may order tests such as:
• An electrocardiogram (ECG or EKG) - arecord of your heart’s electrical activity
• Holter monitoring - a record of your heartrate for 24 to 48 hours
• Other tests to check for heart disease
治療
醫生會檢查脈搏，用聽診器檢查心跳是否不規律。醫生可能要求作下面的檢查﹕
• 心電圖（ECG或EKG）—記錄心臟的電活動情況
• Holter監測（動態心電檢查）—記錄24至48小時的心率
• 心臟疾病的其它檢查
Your treatment may include:
• Medicine to help regulate your heartrhythm and rate. You may also needto take a blood thinner called ananticoagulant to reduce the risk of bloodclots and stroke.• A cardioversion if medicine does nothelp. This is a low energy electrical shockapplied through the skin to the heart toconvert an abnormal heart rhythm to anormal rhythm. Sedation medicine isgiven before this is done.
• An ablation, which is a procedure thatdestroys cells in the left atrium of theheart that are causing the irregularrhythm. Catheters are inserted througha blood vessel leading to the heart. Theproblem area is found and is scarredor ablated with energy sent through thecatheter. You are asleep during when thisis done.
治療方法：
• 用藥物調節心律和心率。此外，可能還需要使用稱為抗凝血藥的血液稀薄劑，以降低血液結塊和中風的風險。
• 如藥物不起作用，則作心臟電擊術，即透過皮膚對心臟進行低能量電擊，使不正常的心臟節律轉為正常節律。作心臟電擊術之前，須使用鎮靜藥物。
• 消融術可殺死左心房中導致不規則節律的細胞。導管經血管送入心臟。問題區域確定後，通過導管輸送電流使之結疤或消融。在此過程中，您處於睡眠狀態。
People with atrial fib are at a higher risk forstroke or serious heart problems if atrial fibis not controlled. It is very important to beunder a doctor’s care.
有心房纖維顫動者，如不加以控制，患中風或嚴重心臟疾病的風險較高。有心房纖維顫動者務必要就醫。
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