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  2. Tachycardia - Wikipedia

    en.wikipedia.org/wiki/Tachycardia

    Tachycardia, also called tachyarrhythmia, is a heart rate that exceeds the normal resting rate. [1] In general, a resting heart rate over 100 beats per minute is accepted as tachycardia in adults. [1] Heart rates above the resting rate may be normal (such as with exercise) or abnormal (such as with electrical problems within the heart).

  3. Supraventricular tachycardia - Wikipedia

    en.wikipedia.org/wiki/Supraventricular_tachycardia

    The rapid heart rate, if fast enough, reduces the opportunity for the "pump" to fill between beats decreasing cardiac output and consequently blood pressure. The following symptoms are typical with a rate of 150–270 or more beats per minute: [11] Pounding heart; Rapid heart beat; Shortness of breath; Chest pain; Rapid breathing; Dizziness ...

  4. Does your heart beat faster when you stand or sit up? Learn ...

    www.aol.com/does-heart-beat-faster-stand...

    The most common symptoms of POTS are rapid heart rate within 10 minutes of standing or sitting up, lightheadedness and fainting, fatigue, brain fog, nausea, and shortness of breath.

  5. Arrhythmia - Wikipedia

    en.wikipedia.org/wiki/Arrhythmia

    Increased heart rate is a normal response to physical exercise or emotional stress. This is mediated by the sympathetic nervous system on the sinus node and called sinus tachycardia. Other conditions that increase sympathetic nervous system activity in the heart include ingested or injected substances, such as caffeine or amphetamines , and an ...

  6. Paroxysmal supraventricular tachycardia - Wikipedia

    en.wikipedia.org/wiki/Paroxysmal_supra...

    Lead II electrocardiogram strip showing PSVT with a heart rate of about 180. Specialty: Emergency medicine, cardiology: Symptoms: Palpitations, feeling lightheaded, increased heart rate, sweating, shortness of breath, chest pain [2] Usual onset: Starts and stops suddenly [3] Causes: Not known [3] Risk factors

  7. Heart Month: Mayo Clinic says heart attack symptoms in women ...

    www.aol.com/news/heart-month-mayo-clinic-says...

    Feb. 13—Sweating, nausea, dizziness and unusual fatigue may not sound like typical heart attack symptoms. However, they are common for women and may occur more often when resting or asleep.

  8. Sinus tachycardia - Wikipedia

    en.wikipedia.org/wiki/Sinus_tachycardia

    Sinus tachycardia is a sinus rhythm of the heart, with an increased rate of electrical discharge from the sinoatrial node, resulting in a tachycardia, a heart rate that is higher than the upper limit of normal (90-100 beats per minute for adult humans). [1] The normal resting heart rate is 60–90 bpm in an average adult. [2]

  9. Panic attack - Wikipedia

    en.wikipedia.org/wiki/Panic_attack

    Panic attacks are associated with many different symptoms, with a person experiencing at least four of the following symptoms: increased heart rate, chest pain, palpitations (i.e. feeling like your heart is pounding out of your chest), difficulty breathing, choking sensation, nausea, abdominal pain, dizziness, lightheadedness (i.e. feeling like ...

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