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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. ...Read more

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. ...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+

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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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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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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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. ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more

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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

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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. ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more

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My md has recently written in my physical exam, deep tendon response is sluggish. What does it mean and what are the implications? I take 500mgmetfor

My md has recently written in my physical exam, deep tendon response is sluggish. What does it mean and what are the implications? I take 500mgmetfor

Many things: There are metabolic and neurologic causes of sluggish reflexes. Ask him/her what was meant and what sort of followup is necessary. If you are taking metformin for diabetes ask what other neurological tests were done and whether you have peripheral diabetic neuropathy. ...Read more

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What causes an Achilles tendon rupture?

What causes an Achilles tendon rupture?

Direct trauma: Achilles tendon injuries are very catastrophic. Usually occurs when the foot is in a fixed plantargrade position and the tibia (shinbone) externally rotates rapidly, and the foot does not release from its flexed state.
Injuries for achilles tendon ruptures also take the longest to resolve, which can be from 8-20 weeks, depending on the amount and time of damage to the tendon. ...Read more

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What causes burning stinging in the Achilles tendon?

Tendonitis or: Partial tear are most common reasons. Try rest and supportive shoes with slight heel. If still a problem, see specialist. ...Read more

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Tendon ruptures and disabilities caused from levaquin (levofloxacin)?

Tendon ruptures and disabilities caused from levaquin (levofloxacin)?

Fluoroqunolones: Based on the information in animal studies, this class of drugs is avoid in children and there are reports of tendonitis in adults from prolonged use. I personally have used this class of drugs for prolonged periods of time in patients with chronic infection and have never seen any problems with tendonitis. ...Read more

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Can tight tendons cause painful toe?

Can tight tendons cause painful toe?

Yes.: Because they can misalign a toe and hammer them for example and then the hammer toe can be painful. ...Read more

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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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Can a broken knuckle also cause torn ligaments/tendons?

Can a broken knuckle also cause torn ligaments/tendons?

Yes: An injury can cause damage to the ligaments, tendons and bones at the time of trauma. ...Read more

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Can tensosynovitis of the ankle cause the tendon to rupture?

Can tensosynovitis of the ankle cause the tendon to rupture?

Not usually: Usually "Tenosynovitis" is an inflammation of the "tube" in which the tendon "moves" It should NOT affect the tendon itself! Sounds like you need am Orthopedist or Podiatrist.
Hope this helps

Dr Z ...Read more

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Could prednisone cause tendon weakness?

Could prednisone cause tendon weakness?

Yes it can: Historically, chronic steroid use including the use of Prednisone is implicated in tendon weakness and rupturesthis is seen more commonly w/injections of cortisone meds. In or around tendons. Check w/ a rheumatologist concerning the risks and side effects of chronic steroid use. Best of luck! ...Read more

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