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Doctor insights on: Causes Of Deep Tendon Reflex Decrease

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

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.

Deep Tendon Reflex (Definition)

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 ...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.

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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+

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

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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.

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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.

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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.

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What can cause Achilles tendon pain?

What can cause Achilles tendon pain?

Tendinitis.: If the tendon is inflammed, it results in Achilles tendinitis. The pain is usually resolved with physical therapy and anti-inflammatory medications.

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What causes one's Achilles tendon to tear?

Trauma: Most likely cause. There are medications that can cause the achilles to tear.

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What could cause a patellar tendon tear?

Unfortunately No: No. Patellar tendons, like other tendons in the body, do not regrow. They need to be surgically re-attached or augmented with tendon graft materials in the event of a rupture or injury.

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What causes your Achilles tendon to tighten?

Lack of stretch: If you are not stretching enough and then complicate the issue by trying to exercise by running, etc. You will get a tight achilles. When you overuse the achilles without a proper warmup the calf muscle will lose it's oxygen, creating occasional cramping and tightening. Good luck.

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What can cause a partial Achilles tendon tear?

What can cause a partial Achilles tendon tear?

Many things: Usually achilles tendon tears are caused by rapid contraction of your calf muscle while your foot is being dorsiflexed. Some medical conditions and prescription drugs can weaken tendons and place you at greater risk for injury.

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What can cause my Achilles tendon to keep popping?

Bursitis: Popping of a tendon is usually either chronic dislocating or the tendon rubbing an adjacent structure. Since the achilles really can't dislocate, it is likely rubbing on a small, fluid-filled sac underneath called the retrocalcaneal bursa. If it is painful and avoiding irritating shoes doesn't improve things, see a podiatrist. Sometimes a steroid injection can help.

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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.

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What can cause you to have constant itchy Achilles tendon?

What can cause you to have constant itchy Achilles tendon?

Irritation: If the shoes rubs on the tendon it can irritate the skin and create an itching feeling.

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Pain on base of patella (not the tendon). What can cause this?

Pain on base of patella (not the tendon). What can cause this?

Tendonitis usually: The attachment of the tendons or ligaments to bone can get inflamed - insertional tendonitis, assuming no fractures on xrays. Usually this results from somewhat tight quadriceps (thigh muscles), and a course of stretching with antiinflammatories helps. If this is not an isolated site of the inflammation, with other places in the body inflamed as well, a rheumatological workup would be in order.

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What could cause sudden sharp pain in the achilles' tendon area?

What could cause sudden sharp pain in the achilles' tendon area?

Tendinitis: Tendinitis or inflammation in the tendon could occur suddenly. Consider anti inflammatory medication, stretching and gel heel pads. If pain persists, see your orthopedist.

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What causes degenerative tears and syrinx in both Achilles tendons?

What causes degenerative tears and syrinx in both Achilles tendons?

Weak tendon sheath: Degenerative tears in the achilles are caused by a weak sheath that covers the tendon itself. Since the sheath protects the tendon and gives it it's nourishment, if it is congenitally weaker it will create tears. This is also made worse by Cipro (ciprofloxacin) or levoquin antibiotics and some statin drugs. A syrinx is a cavity in the spinal cord (short for syringomyelia), not in the achilles.

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Will a drug for my high cholesterol help with the tendon pain high cholesterol causes?

See below: High cholesterol, even if associated with depositions in tendons, is a likely cause of tendon pain. If you are overweight losing weight will help both.

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