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Doctor insights on: Deep Tendon Reflexes In Pregnancy

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What are deep tendon reflexes and how they are graded?

What are deep tendon reflexes and how they are graded?

0-4: Deep tendon reflexes, of which the knee-jerk is the best known, are spinal reflexes triggered by hitting certain tendons. Triceps, biceps, patellar (knee) and ankle are the most commonly tested and are graded 0-4 as follows: 0-absent 1-small reaction 2=normal 3=brisk 4=clonic (continuous jerking) clinical context and symmetry more important than the actual reflex grade though. ...Read more

Dr. Debra Rosenblatt
4 doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


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What are hyperactive deep tendon reflexes?

What are hyperactive deep tendon reflexes?

See below: A DTR is a brisk contraction of a muscle in response to a sudden stretch induced by a sharp tap by a finger or rubber hammer on the tendon of insertion of the muscle. Absence of the reflex may be caused by damage to the muscle, peripheral nerve, nerve roots, or spinal cord at that level. A hyperactive reflex may indicate disease of the pyramidal tract above the level of the reflex arc being tested. ...Read more

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Are the deep tendon reflexes increased in a drunk person?

No: If the person under the influence his reflexes should be down from normal. ...Read more

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Why hyperactive deep tendon reflex occure in hypocalcemia?

Why hyperactive deep tendon reflex occure in hypocalcemia?

Spastic muscles : Muscles get "tetanic" when there isn't enough calcium. They contract more easily because the decreased calcium affects contractility of muscle fibers. ...Read more

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What is the definition or description of: deep tendon reflex?

Deep tendon reflex: Dtr or deep tendon reflex is a test done on physical exam to evaluate specific nerve function. Certain nerves like cervical and lumber spinal nerves control certain reflexes and when absent can indicate a problem with that nerve. Like the patellar or knee reflex can indicate a spinal nerve problem or herniated disc. ...Read more

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I need your help please? What makes me kick so hard when they test deep tendon reflex?

I need your help please? What makes me kick so hard when they test deep tendon reflex?

See below: A deep tendon reflex reflects the function of a part of the nervous system that travels to and from the spinal cord. It is also influenced by the brain. It is involuntary. Some people have brisker reflexes than others and it is completely normal. Some conditions can cause brisker reflexes like an overactive thyroid or certain nervous system conditions like injury to the brain or spinal cord. ...Read more

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Is a change in your deep tendon reflex history an ominous sign? Like going from 2+ to 4+ on a scale that goes to 5+

That is not: a very sensitive test, depends on how performed and your mental state at that time. Would be significant if not present or you had other signs to associate with ...Read more

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My son has brisk deep tendon reflex and thinks he has brain cancer. Please help im his mother?

My son has brisk deep tendon reflex and thinks he has brain cancer. Please help im his mother?

A little learning...: ... Is a dangerous thing. People's deep tendon reflexes are widely variable. A brain tumor that makes a DTR brisker will always (no exceptions) do so asymmetrically, and will have some other symptom (headache, personality change, nausea, altered walk). Some folks, including one of my neurology attendings, have no dtr's, and they're normal unless even a lay person can see they aren't. ...Read more

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What happens to the patellar tendon reflex after running on the spot and why does this happen? Please help, this is urgent

What happens to the patellar tendon reflex after running on the spot and why does this happen?
Please help, this is urgent

Patellar reflex: The patellar tendon reflex is an involuntary reflex arc that occurs in response to rapid stretching of the tendon. When the tendon is tapped with a reflex hammer, involuntary stimulation of the quadriceps muscle (e.g., knee extension) is produced. Running and other exercises that promote fatiguability of the quad muscles can blunt, but typically cannot eliminate, the effect of the reflex itself. ...Read more

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Tendon (Definition)

Tendons are made up of collagen and are the functional tissue that interfaces between muscles and bone. Muscles generate force that is transmitted through its tendon that inserts on a specific bone that is moved in the plane of the connecting joint made ...Read more