How do thy know if the mom or the baby is causing increased heart rate?

Tricky. Sometimes the mother is the reason for the rapid fetal heart rate (e.g. Maternal fever, hyperthermia), while other times it is the fetus (intrinsic cardiac disease, hyperthyroidism), or something in between (intraamniotic infection). Your obstetrician and/or maternal-fetal medicine specialist can give you a provisional diagnosis and plan of care while pursuing delivery or some other treatment.

Related Questions

Can a uterine infection cause dizziness in mom and fast heart rate in baby?

Yes. Intraamniotic infections can cause maternal sepsis (headache, weakness, fever, myalgias) and fetal tachycardia - they are even associated with adverse neurological outcomes such as cerebral palsy in rare occasions. Prompt diagnosis and treatment with broad-spectrum antibiotics is likely to prevent major complications. Read more...

Will the medication venlafaxine cause increased heart rate?

Yes. It can & also increase BP in some pts particularly at higher doses but it is a very effective antidepressant I have treated many pts with this drug and none have had to stop it because of these side effects. Read more...

What can cause sudden confusion and an increased heart rate in a 16 year old?

Many possibilities. Certainly medications and drugs can cause that combination of change. Also seizures can cause sudden confusion and elevated heart rate. Read more...

What makes pulmonary embolism cause increased heart rate?

Several . Possibilities. Pulmonary embolism can be associated with chest pain, decreased ability of the lungs to transport oxygen to the blood, and can generate a sense of anxiety. All of these can increase the heart rate. Read more...

Any ideas why pulmonary embolism causes increased heart rate?

Nerves and reflexes. Pulmonary embolism causes obstruction to blood flow and oxygenation. This causes fight or flight reactions, fear, etc, and the hormones released cause tachycardia. The stretch on the right side of the heart also causes the release of bnp causing also tachycardia. The stretch on the right side of the heart allows many mechanisms including reentry and may even cause irreg hr. Read more...