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Doctor insights on: Causes Of Fetal Tachycardia

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If there is one, what is the most common reason for fetal tachycardia?

If there is one, what is the most common reason for fetal tachycardia?

My bet: I'm not a pediatric or neonatal cardiologist, but i believe that the most common cause for an abnormal tachycardia would be a congenital accessory bypass tract that is either overt or concealed. (remember that all fetuses and babies have very rapid hr which is abnormal for older children but normal for them.). ...Read more

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Is supraventricular tachycardia (svt) in fetus deadly?

Is supraventricular tachycardia (svt) in fetus deadly?

It depends: Whether supraventricular tachycardia (svt) causes problems in a fetus depends on how often and for how long the fetus remains in svt, and on the rate of the svt (how fast). Typically, if a fetus is having problems with svt, a fetal cardiac ultrasound will detect that the heart function is declining and there may be evidence for abnormal fluid collections (so called non-immune hydrops). ...Read more

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What causes supraventricular tachycardia?

What  causes supraventricular tachycardia?

Multipe reasons: Usually one is born with an extra 'circuit' or a propensity to have rapid firing in the upper chambers of the heart. Svt can in some cases be exacerbated by activity, stress, stimulants etc. ...Read more

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Can ventricular tachycardia cause blackout?

Can ventricular tachycardia cause blackout?

Yes: Black-outs (or syncope) are often caused by transient reductions in blood flow to the brain from a variety of causes. With ventricular tachycardia, the abnormal rhythm may be associated with a reduction in cardiac output and a temporary reduction in brain blood flow that can lead to syncope. ...Read more

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What causes pulseless ventricular tachycardia?

What causes pulseless ventricular tachycardia?

Not really pulseless: When VT occurs at a fast enough rate, there is inadequate time for ventricular filling, cardiac output falls, and blood pressure falls. You may not be able to palpate a pulse but an arterial line would show a waveform that is reduced in amplitude. Rate is the key. As tissue perfusion fails, acidosis, hypoxemia and hyperkalemia result leading to ventricular fibrillation and death. ...Read more

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Can sleep apnea cause tachycardia up to 180 bpm?

Can sleep apnea cause tachycardia up to 180 bpm?

Yes: Yes it can cause SVT (supraventricular tachycardia) and atrial fibrillation - either can easily be at a a rate of 180 or even faster. ...Read more