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  2. Sinus bradycardia - Wikipedia

    en.wikipedia.org/wiki/Sinus_bradycardia

    lightheadedness. dizziness. hypotension. vertigo. syncope. Diagnostic method. electrocardiogram. Sinus bradycardia is a sinus rhythm with a reduced rate of electrical discharge from the sinoatrial node, resulting in a bradycardia, a heart rate that is lower than the normal range (60–100 beats per minute for adult humans). [1][2]

  3. Bradycardia - Wikipedia

    en.wikipedia.org/wiki/Bradycardia

    Bradycardia, also called bradyarrhythmia, is a resting heart rate under 60 beats per minute (BPM). [1] While bradycardia can result from various pathologic processes, it is commonly a physiologic response to cardiovascular conditioning or due to asymptomatic type 1 atrioventricular block. Resting heart rates of less than 50 BPM are often normal ...

  4. Sinus rhythm - Wikipedia

    en.wikipedia.org/wiki/Sinus_rhythm

    Normal heart rate (classically 60 to 100 beats per minute for an adult). Regular rhythm, with less than 0.16-second variation in the shortest and longest durations between successive P waves; The sinus node should pace the heart – therefore, P waves must be round, all the same shape, and present before every QRS complex in a ratio of 1:1.

  5. What You Need to Know About Abnormal Heart Rhythm - AOL

    www.aol.com/know-abnormal-heart-rhythm-145227534...

    Tachycardia is a heart rate that's too fast—a resting heart rate of over 100 BPM. The normal range for heart rates is between 60 and 100 BPM. ... (ECG or EKG), which shows a snapshot of the ...

  6. Electrocardiography - Wikipedia

    en.wikipedia.org/wiki/Electrocardiography

    Use of real time monitoring of the heart in an intensive care unit in a German hospital (2015), the monitoring screen above the patient displaying an electrocardiogram and various values of parameters of the heart like heart rate and blood pressure. Electrocardiography is the process of producing an electrocardiogram (ECG or EKG[a]), a ...

  7. Sinus node dysfunction - Wikipedia

    en.wikipedia.org/wiki/Sinus_node_dysfunction

    The ECG shows AV-junctional rhythm resulting in bradycardia at around 46 beats per minute. This ECG from the same patient shows atrial fibrillation at around 126 beats per minute. The most common complication of sinus node dysfunction is the development of tachycardia-bradycardia syndrome with abnormal atrial rhythms such as atrial tachycardia ...

  8. Atrial fibrillation - Wikipedia

    en.wikipedia.org/wiki/Atrial_fibrillation

    315,000 with atrial flutter (2019) [ 10 ] Atrial fibrillation (AF, AFib or A-fib) is an abnormal heart rhythm (arrhythmia) characterized by rapid and irregular beating of the atrial chambers of the heart. [ 11 ][ 12 ] It often begins as short periods of abnormal beating, which become longer or continuous over time. [ 4 ]

  9. Supraventricular tachycardia - Wikipedia

    en.wikipedia.org/wiki/Supraventricular_tachycardia

    Medications, medical procedures, surgery [5] Frequency. ~3% [6][7][8] Supraventricular tachycardia (SVT) is an umbrella term for fast heart rhythms arising from the upper part of the heart. [2] This is in contrast to the other group of fast heart rhythms – ventricular tachycardia, which start within the lower chambers of the heart. [2]

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