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Doctor insights on: Exaggerated Deep Tendon Reflexes

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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

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


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Are the deep tendon reflexes increased in a drunk person?

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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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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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+

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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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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In fingers how deep below surface is fat tissue layer? &how deep are nerves/tendons?

In fingers how deep below surface is fat tissue layer? &how deep are nerves/tendons?

Depends: The thickness of the fat layer varies greatly between different parts of the body and in different people. The fat layer in hands and feet is usually quite thin while fat on the abdomen can be several inches thick. Obese people may have several inches of fat while athletic people may have nearly none. Nerves are present in the skin and below the fat but tendons are only present underneath the fat. ...Read more

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I cut my finger fairly deep on the top crease but I can still move the portion of it I cut fairly well, could I still need surgery on the tendon?

I cut my finger fairly deep on the top crease but I can still move the portion of it I cut fairly well, could I still need surgery on the tendon?

Flexion/extension.: If you can both flex and extend the finger, then in all liklihood there is no need for tendon surgery; however, if unavle to fully flex and extend, consult a hand surgeon asap. ...Read more

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2 mnts after type 1 pec tendon tear repair still lot of pain when moving and discomfort taking deep breaths rom isn't good yet what should I expect?

Be reevaluated: Of you are still having trouble 2 months after a pec repair, you would certainly want to be reevaluated to make sure you are making appropriate testing and that you do not need any more testing. ...Read more

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Could a deep cut on the volar side of the thumb cut the extensor tendon while leaving the flexor tendon intact?

No: The extensor tendon is on the dorsal or top side. A volar injury is likely to. Injure a flexor tendon or nerve. See a hand surgeon. ...Read more

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Not sure if I have a palpable supraclavicular lymph node or not. Should be able to feel tissue and tendons deep in hollow above collar bone?

Not sure if I have a palpable supraclavicular lymph node or not. Should be able to feel tissue and tendons deep in hollow above collar bone?

Probably normal: People can easily feel muscles, tendons, and other irregularities if they try, this site or elsewhere. Anything you have to work hard to decide if it's abnormal probably is not. Repeated poking can cause tenderness and swelling -- and what was previously normal becomes nonspecifically inflamed and that much harder to diagnose. If you remain concerned, see a doctor. In the meantime, hands off. ...Read more

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Deep bruise from a fall on my right Achilles tendon 8wks ago. Still swollen, hurts to touch and is numb. Doc hasn't done tests. What do I do now?

Deep bruise from a fall on my right Achilles tendon 8wks ago. Still swollen, hurts to touch and is numb. Doc hasn't done tests. What do I do now?

Second opinion: It would be unusual for a simple bruise to last that long. It's possible you may have a partially torn achilles
tendon. Have a podiatrist evaluate the area. He will likely want to get an MRI to check for tendon damage. ...Read more

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Hi doctor. My knee pains when I deep squat. Also I feel clicking in one of the tendon at back of knee when I raise my leg towards back.?

Hi doctor. My knee pains when I deep squat. Also I feel clicking in one of the tendon at back of knee when I raise my leg towards back.?

See a physician: While this may be a normal finding depending on your age and personal history; a physical examination is warranted to rule out any serious problem. ...Read more

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Do I need to get my arm x-rayed? I was in a car wreck two months ago and I had a rather deep laceration on my arm. It was cut to the tendons and bone, but nothing is broken. The cut is now healed and its a scar that looks like a red abrasion. My arm is st

Do I need to get my arm x-rayed? I was in a car wreck two months ago and I had a rather deep laceration on my arm. It was cut to the tendons and bone, but nothing is broken. The cut is now healed and its a scar that looks like a red abrasion. My arm is st

Have it evaluated: Any deep injury that is down to bone has a potential to infect the bone. Have an x-ray taken to evaluate the underlying bone. Have it properly evaluated to avoid preventable complications. ...Read more

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Lets just say I am depressed, I have cut before and recently I have cut so deep I hit a tendon in my wrist/forearm now lately I am losing feeling and strength in my fingers and thumb lots of pain in my palm and thumb area. Is that because of me cutting my

Lets just say I am depressed, I have cut before and recently I have cut so deep I hit a tendon in my wrist/forearm now lately I am losing feeling and strength in my fingers and thumb lots of pain in my palm and thumb area. Is that because of me cutting my

Major Depression: I feel empathy for your Depression.
It seems that painful traumatic experience with emotional turmoil have made you depressed and hopeless.
You were born with Blessing and Wonder of Life Force from the Creator due to which you lived at the time of birth; and have continued to be alive with Blessings of 3million air sacs in your lungs.
Your Life is Precious!
Go to E.R. for Diagnosis, Treatment. ...Read more

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I have a tight sore spot right side base of throat near collar bone causing windpipe pressure. Pain seems to come from a tight tendon deep in my throat?

Sternoclavicular: Joint can become inflamed or if you are older arthritic. It can feel like there is pressure on your trachea but in reality unless you had a major trauma where you fell on your shoulder or chest and the joint dislocated into your chest it is probably just inflamed. If you did have an injury I would get it checked out by an otthopaedist. ...Read more

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Vomiting while asleep when intoxicated? How is it possible? I thought deep sleep terminated the signals in the brain that control the vomiting reflex?

Vomiting while asleep when intoxicated? How is it possible? I thought deep sleep terminated the signals in the brain that control the vomiting reflex?

Effect of alcohol.: The alcohol likely suppresses the reflex of which you speak. Furthermore, the vomiting is your body‘s attempt to get rid of an excessive amount of toxin, i.e. alcohol. The obvious “doctorly” statement to make is that if you’re vomiting while you’re sleeping, you’re probably drinking too much. ...Read more

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How do you treat tear in a tendon.?

How do you treat tear in a tendon.?

Depends on a lot: This depends greatly on which tendon, degree of tear, and functional goals of the patient. At best, some tears can be managed with pain control and rest, similar to a muscle strain; complete tears or tears in muscles bearing high loads may require surgery. Often physical therapy will be a component of the plan, as will antiinflammatories and rest. ...Read more