If Its Not Parkinsons Disease What Could It Be
Here are some possibilities:
Side effects of medication: Certain drugs used for mental illnesses like psychosis or major depression can bring on symptoms like the ones caused by Parkinsonâs disease. Anti-nausea drugs can, too, but they typically happen on both sides of your body at the same time. They usually go away a few weeks after you stop taking the medication.
Essential tremor: This is a common movement disorder that causes shaking, most often in your hands or arms. Itâs more noticeable when youâre using them, like when you eat or write. Tremors caused by Parkinsonâs disease usually happen when youâre not moving.
Progressive supranuclear palsy: People with this rare disease can have problems with balance, which may cause them to fall a lot. They donât tend to have tremors, but they do have blurry vision and issues with eye movement. These symptoms usually get worse faster than with Parkinson’s disease.
Normal pressure hydrocephalus : This happens when a certain kind of fluid builds up in your brain and causes pressure. People with NPH usually have trouble walking, a loss of bladder control, and dementia.
What Causes Parkinsons Disease
Parkinsons disease occurs when nerve cells in an area of the brain called the substantia nigra become impaired or die. These cells normally produce dopamine, a chemical that helps the cells of the brain communicate . When these nerve cells become impaired or die, they produce less dopamine. Dopamine is especially important for the operation of another area of the brain called the basal ganglia. This area of the brain is responsible for organizing the brains commands for body movement. The loss of dopamine causes the movement symptoms seen in people with Parkinsons disease.
People with Parkinsons disease also lose another neurotransmitter called norepinephrine. This chemical is needed for proper functioning of the sympathetic nervous system. This system controls some of the bodys autonomic functions such as digestion, heart rate, blood pressure and breathing. Loss of norepinephrine causes some of the non-movement-related symptoms of Parkinsons disease.
Scientists arent sure what causes the neurons that produce these neurotransmitter chemicals to die.
Determining Diagnosis Through Response To Parkinsons Medication
If a persons symptoms and neurologic examination are only suggestive of Parkinsons disease or if the diagnosis is otherwise in doubt, the physician may, nevertheless, prescribe a medication intended for Parkinsons disease to provide additional information. In the case of idiopathic Parkinsons, there is typically a positive, predictable response to Parkinsons disease medication in the case of some related Parkinsonian syndromes, the response to medication may not be particularly robust, or it may be absent entirely.
Unfortunately, there are no standard biological tests for the disease, such as a blood test. However, researchers are actively trying to find biomarkers in blood and other bodily fluids that could help confirm the diagnosis.
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Shifting Abilities Role Reversals
- People with PD often need more time to perform activities because of changes in hand coordination, muscle stiffness or slowness. Conflict may arise as it becomes necessary to reevaluate who is responsible for what tasks in the family and around the home.
- Changing abilities and assuming new roles can cause frustration and emotional upheaval.
- Stress makes PD symptoms worse.
What to do
- Maintain open communication with your loved ones.
- Prioritize daily tasks. Get outside help as needed for some tasks such as yard work, housecleaning or home maintenance.
- Regular exercise can help manage stress.
- Seek help from a counselor to resolve relationship conflicts.
From Evidence To Recommendation
The pathological studies emphasise the need for particular care in making a clinical diagnosis of . There is limited evidence to suggest that the UK Brain Bank Criteria have adequate sensitivity and specificity in comparison with post-mortem findings. The accuracy of diagnosis using the Brain Bank criteria increases as the condition progresses.
The availability of brain tissue has fostered much valuable research in recent years and should be encouraged in the future. Diagnostic information derived from post-mortem examination can also be of value to the families of individual patients.
should be diagnosed clinically and based on the UK Parkinsons Disease Society Brain Bank Criteria.
Clinicians should be encouraged to discuss with patients the possibility of tissue donation to a brain bank for purposes of diagnostic confirmation and research.
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What Tests Diagnose Parkinson’s Disease
There currently are no tests that can definitively diagnose Parkinsons Disease. A diagnosis is based on the clinical findings of your physician in combination with your report on the symptoms you are experiencing.
In situations where an older person presents with the typical features of Parkinsons and they are responsive to dopamine replacement therapy, there is unlikely to be any benefit to further investigation or imaging.
Imaging And Lab Tests
Your doctor may order some imaging tests and laboratory tests. Imaging tests can include computed tomography scans and magnetic resonance imaging scans. Laboratory tests can include blood tests and urine tests.
While these tests and scans will not help diagnose Parkinsons disease, they can help rule out other conditions that have similar symptoms.
Your doctor may also suggest that you get a dopamine transporter scan . This scan requires a single-photon emission computed tomography scanner. It involves an injection of a small amount of a radioactive drug so that your doctor can study the dopamine systems in your brain .
While a DaTscan cannot conclusively prove that you have Parkinsons, it can help confirm your doctors diagnosis and eliminate other conditions.
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Mri In Parkinson’s Testing
One of the more common tests done during a neurologic workup is an MRI scan and one may think that in the investigation of a disease that affects the brain such as Parkinsons, this imaging test would be a necessity. In the context of Parkinsons disease, however, an MRI is not particularly helpful. It looks at the structure of the brain which, for all intents and purposes, appears normal in this disease. An MRI may, however, be indicated when symptoms appear in younger people or if the clinical picture or the progression of symptoms is not typical for Parkinsons. In these situations, MRI can be used to rule out other disorders such as stroke, tumors, hydrocephalus , and Wilsons Disease .
Tests To Rule Out Other Conditions
Blood tests can help rule out other possible causes of the symptoms, such as abnormal thyroid hormone levels or liver damage.
Hydrocephalus due to atrophy can occur with some types of dementia and would be visible with one of these imaging tests. If the person has neurologic symptoms but a normal scan result, Parkinsons disease may be present.
The doctor a lumbar puncture to rule out inflammation or a brain infection.
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Diagnosing Parkinson’s Disease With Skin Samples Could Lead To Earlier Detection
- Iowa State University
- New research shows a simple skin test can accurately identify Parkinson’s disease, which could lead to earlier detection of the disease and better outcomes for patients. Currently, Parkinson’s disease is diagnosed by clinical signs and symptoms but only definitively diagnosed at autopsy. The researchers conducted a blinded study of 50 skin samples using an assay originally designed to detect mad cow disease.
New research shows a simple skin test can accurately identify Parkinson’s disease, demonstrating for the first time the feasibility of the method. Currently diagnosed by clinical signs and symptoms but only definitively diagnosed at autopsy, Parkinson’s disease is commonly misdiagnosed early in the disease course, complicating clinical trials of potential treatments.
The study, published in the scientific journal Movement Disorders, shows how a chemical assay can detect clumping of the protein alpha-synuclein in skin samples to help diagnose Parkinson’s disease . The study’s authors said using the assay can lead to earlier detection of PD and better clinical trials.
“Since there’s no easy and reliable test available for the early diagnosis of Parkinson’s disease at present, we think there will be a lot interest in the potential use of skin samples for diagnosis,” said Anumantha Kanthasamy, Distinguished Professor of Biomedical Sciences at Iowa State and lead author of the study.
What Doctors Look For When Diagnosing Parkinsons
Certain physical signs and symptoms noticed by the patient or his or her loved ones are usually what prompt a person to see the doctor. These are the symptoms most often noticed by patients or their families:
Shaking or tremor: Called resting tremor, a trembling of a hand or foot that happens when the patient is at rest and typically stops when he or she is active or moving
Bradykinesia: Slowness of movement in the limbs, face, walking or overall body
Rigidity: Stiffness in the arms, legs or trunk
Posture instability: Trouble with balance and possible falls
Once the patient is at the doctors office, the physician:
Takes a medical history and does a physical examination.
Asks about current and past medications. Some medications may cause symptoms that mimic Parkinsons disease.
Performs a neurological examination, testing agility, muscle tone, gait and balance.
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Looking For Signs Of Parkinsons
Your specialist will examine you to look for common signs of Parkinsons. You may be asked to:
- write or draw to see if your writing is small or gradually fades
- walk to see whether theres a reduction in the natural swing of your arm or in your stride length and speed
- speak to see if your voice is soft or lacks volume
The specialist will also look at and ask you about your:
- face to see if there is a masked look or if you have difficulty with facial expressions
- limbs to see if you have a tremor, any stiffness or slowness of movement
As well as examining you for any of the typical signs of Parkinsons, the specialist will also look for signs that may suggest a different diagnosis.
It may be helpful to take someone with you for support when seeing a specialist. Taking a list of questions you want to ask can also be useful so you dont forget to mention something you want to know about. If a healthcare professional says something you dont understand, dont be afraid to ask them to explain what they mean.
Blood Tests And Spinal Fluid Tests
A blood test or spinal fluid test cant be used to diagnose Parkinsons. But they can be used to search for certain proteins that indicate you may have another neurodegenerative condition with similar symptoms.
The presence of elevated levels of a nerve protein called neurofilament light chain protein may indicate that you have another movement disorder, such as:
- multiple system atrophy
- corticobasal degeneration
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How The Levodopa Test Is Conducted
The levodopa test is given at least eight hours after the patients last dose of any medication to boost dopamine levels in the brain and usually takes place in the morning. Motor functions are analyzed before the test and again 60 to 90 minutes after taking levodopa using part 3 of the unified Parkinsons disease rating scale .
- Degree of difficulty while rising from a chair
- General posture
Physical And Neurological Examination
Your doctor will conduct a physical and neurological examination. This can involve observing your behavior, movements, and mental state and conducting tests or asking you to perform certain exercises.
These are some of the symptoms of Parkinsons your doctor can determine visually:
- Fewer spontaneous movements or hand gestures
- Reduced frequency of blinking
- Tremors in your hands while they are at rest, often only in one hand
- Hunched posture or forward lean while walking
- Stiff movements
These are some of the exercises your doctor may ask you to do to evaluate your movements, balance, and coordination:
- Opening and closing your fist
- Tapping your fingers, toes, and heels
- Holding your arms out in front of you
- Moving your finger from one point to another
- Rotating your wrists or ankles
- Standing from a chair
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What Are The Symptoms Of Parkinsons Disease
Symptoms of Parkinsons disease and the rate of decline vary widely from person to person. The most common symptoms include:
Other symptoms include:
- Speech/vocal changes: Speech may be quick, become slurred or be soft in tone. You may hesitate before speaking. The pitch of your voice may become unchanged .
- Handwriting changes: You handwriting may become smaller and more difficult to read.
- Depression and anxiety.
- Sleeping disturbances including disrupted sleep, acting out your dreams, and restless leg syndrome.
- Pain, lack of interest , fatigue, change in weight, vision changes.
- Low blood pressure.
How Parkinsons Disease Is Diagnosed
Diagnosing Parkinsons disease can be complicated because there isnt a specific blood test or screening test that can determine whether or not you have it.
Instead, Parkinsons is diagnosed clinically, which means a doctor will examine you, review your symptoms and medical history, and diagnose accordingly.
Parkinsons disease is a neurological condition that can make movement difficult. If your general practitioner thinks you might have Parkinsons, they may refer you to a neurologist who specializes in movement disorders for a diagnosis.
It can be challenging to catch Parkinsons in the early stages because the symptoms may be too mild to notice or meet the diagnostic criteria. Also, early Parkinsons symptoms are often mistaken for typical signs of aging.
The symptoms of Parkinsons disease are also similar to those of other health conditions, which may be misdiagnosed as Parkinsons at first. Your doctor may suggest specific tests and scans to help eliminate other conditions that can mimic the symptoms of Parkinsons disease.
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Further Testing In Parkinson’s
In other situations, where perhaps the diagnosis is not as clear, younger individuals are affected, or there are atypical symptoms such as tremor affecting both hands or perhaps no tremor at all, further testing may help. For example, imaging can play a role in differentiating between essential tremor and Parkinsons. It can also be important to confirm what is initially a clinical diagnosis of Parkinsons prior to an invasive treatment procedure such as surgical DBS
The Importance Of Early Diagnosis
Early detection and diagnosis is important because the treatments for PD are more effective in the early stages of the disease. In addition, physical therapy and exercise, which greatly improve symptoms and delay progression of the disease, are much easier to perform in the early stages.
Current diagnosis is made through the presence of motor symptoms however, researchers have found that by the time motor symptoms occur, over 60% of all dopamine neurons in the basal ganglia of the brain have been damaged. Non-motor symptoms become apparent in people with PD long before motor symptoms, including sleep disturbances and loss of the sense of smell.3
Active areas of research include looking for markers in the blood, urine, or cerebral spinal fluid that reliably detect PD, called biomarkers. In addition, brain imaging tests that have high sensitivity for detecting PD are also being actively researched.4
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What Is The Outlook For Persons With Parkinsons Disease
Although there is no cure or absolute evidence of ways to prevent Parkinsons disease, scientists are working hard to learn more about the disease and find innovative ways to better manage it, prevent it from progressing and ultimately curing it.
Currently, you and your healthcare teams efforts are focused on medical management of your symptoms along with general health and lifestyle improvement recommendations . By identifying individual symptoms and adjusting the course of action based on changes in symptoms, most people with Parkinsons disease can live fulfilling lives.
The future is hopeful. Some of the research underway includes:
- Using stem cells to produce new neurons, which would produce dopamine.
- Producing a dopamine-producing enzyme that is delivered to a gene in the brain that controls movement.
- Using a naturally occurring human protein glial cell-line derived neurotrophic factor, GDNF to protect dopamine-releasing nerve cells.
Many other investigations are underway too. Much has been learned, much progress has been made and additional discoveries are likely to come.
What Is Parkinson’s Disease
Parkinsons disease occurs when brain cells that make dopamine, a chemical that coordinates movement, stop working or die. Because PD can cause tremor, slowness, stiffness, and walking and balance problems, it is called a movement disorder. But constipation, depression, memory problems and other non-movement symptoms also can be part of Parkinsons. PD is a lifelong and progressive disease, which means that symptoms slowly worsen over time.
The experience of living with Parkinson’s over the course of a lifetime is unique to each person. As symptoms and progression vary from person to person, neither you nor your doctor can predict which symptoms you will get, when you will get them or how severe they will be. Even though broad paths of similarity are observed among individuals with PD as the disease progresses, there is no guarantee you will experience what you see in others.
Parkinsons affects nearly 1 million people in the United States and more than 6 million people worldwide.
For an in-depth guide to navigating Parkinsons disease and living well as the disease progresses, check out our Parkinsons 360 toolkit.
What Is Parkinson’s Disease?
Dr. Rachel Dolhun, a movement disorder specialist and vice president of medical communications at The Michael J. Fox Foundation, breaks down the basics of Parkinson’s.
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