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Doctor insights on: Breath Testing

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Does BNP or NT-proBNP test done to evaluate shortness of breath?

Does BNP or NT-proBNP test done to evaluate shortness of breath?

Either one: If heart failure is being considered as the reason for your shortness of breath, either biomarker can help narrow down the diagnosis. A BNP test should not be used routinely for patients having shortness of breath. ...Read more

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What is random breath testing for?

What is random breath testing for?

More information: Need more information as tere are different breath tests. ...Read more

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Overcoming Bad Breath (Checklist)

See doctor to check: post-nasal drip, acid reflux, dry mouth
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If you can't find cause, ask your dentist for oral bacteria DNA test
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What is random breath testing for?

More information: Need more information as tere are different breath tests. ...Read more

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Can a normal pulmonary function test (spirometry test) rule out COPD and emphysema?

Can a normal pulmonary function test (spirometry test) rule out COPD and emphysema?

Yes: You will have abnormal lung function test if you have COPD or emphysema. Do note that smoking is not good for you at any amount and some genetically-susceptible people may get emphysema even with light tobacco exposure. ...Read more

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Why hydrogen breath test positive for lactose intolerance?

Why hydrogen breath test positive for lactose intolerance?

See below.: The patient is given lactose after an overnight fast, after which exhaled air samples are collected before and at 30-minute intervals for 3 hours to assess hydrogen gas concentrations. If the concentration increases a lot, it proves the diagnosis. ...Read more

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Can LPR reflux cause shortness of breath on mild activity like bathing playing cooking, xray 2decho pft blood test ECG are normal?

Can LPR reflux cause shortness of breath on mild activity like bathing playing cooking, xray 2decho pft blood test ECG are normal?

Perhaps: If the laryngopharyngeal reflux is causing excessive mucus or buildup in the airway such that it is difficult to move air, then perhaps. Alternatively ways this condition could lead to shortness of breath include excessive coughing which interferes with normal air movement, or postnasal drip leading to asthma. ...Read more

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After having a pulmonary function testing & spiro breathing test done, nothing showing obstruction. I'm constantly short of breathe. What's next step?

Short of breath: You need to have cardiac work up done.Shortness of breath can be due to some heart disease as well as pulmonary condition.You need a chest xray to rule out lung disease beside pft and spirometery, sometimes you need cat scan to rule out pulmonary embolism.And for heart you need an exam, ekg, echocardiogram and/or sress test to find the cause of your shortness pf breath. ...Read more

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Dry persistent cough. Negative for allergies, gerd, asthmas, cancer & heart conditions. Leads to shortness of breath. What can I do?

Dry persistent cough. Negative for allergies, gerd, asthmas, cancer & heart conditions. Leads to shortness of breath. What can I do?

Consider bronch: On occasion recurrent dry cough with associated shortness of breath, especially if the difficulty breathing is on inspiration, can be related to vocal cord dysfunction. This may require an ENT physician to directly visualize the larynx and below. If that is normal, a pulmonologist may need to look directly into the lung for the cause. ...Read more

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31 m heavy breathing / shortness breath feels full at rest. Gets worse daily. Breathing patterns becoming different Got echo holter nuclear stress test / bronchoscopy pft and chest Ct scan normal. Pft showed positive mehtanine airway D? Cancer?heart

31 m heavy breathing / shortness breath feels full at rest. Gets worse daily. Breathing patterns becoming different Got echo holter nuclear stress  test / bronchoscopy pft and chest Ct scan normal. Pft showed positive mehtanine airway D? Cancer?heart

Needs evaluation: The answer to your question requires an evaluation and review of the information from the tests you have already had. Cancer and heart disease are both very rare and unlikely in previously healthy 31 year old men. ...Read more

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Positive methanine challenge indicating reactive airway disease for pft what's that mean? Lump feeling throat for months heavyness taking breaths. Would lung doc bronchoscopy and ent doc normal rule out something throat caused by cancer ? Weak pulse

Positive methanine challenge indicating reactive airway disease for pft what's that mean? Lump feeling throat for months heavyness taking breaths. Would lung doc bronchoscopy and ent doc normal rule out something throat caused by cancer ? Weak pulse

RAD: The challenge test just confirms that your airways react with some tightening/wheezing which reduces your lungs ability to move air. It is often used as a marker for asthma,RAD but beyond that tells you little.If you have had all these tests & they have not spotted a cancer,that should not be considered as a cause. If they eliminate a structural problem for your sensation it must be something else ...Read more

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Why is hydrogen breath test performed?

Why is hydrogen breath test performed?

LACTOSE,FRUCTOSE INT: This test is done to diagnose lactose and fructose intolerance small bpwel bacterial overgrowth other sugars malabsorption, like sucrose, mannitol, sorbitro, glucose and lactulose. ...Read more

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Echo, ekg, stress, PFT, endoscopie, barium swallow test... Are all fine. Suffer from chest pressure 24/7, dyspnea and palpitations. Causes?

Echo, ekg, stress, PFT, endoscopie, barium swallow test... Are all fine. Suffer from chest pressure 24/7, dyspnea and palpitations. Causes?

History & physical: It sounds like you've had a good bit of testing. There are other tests, such as a holter monitor or CT scan, that may identify the problem; however, before more testing, a thorough history and physical examination may need to be repeated. The most important clues to the diagnosis, often lie in your doctor asking the right questions. Best wishes. ...Read more

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Talking triggers bad tachycardia & breathlessness. Basic lung & heart tests normal, blood pressure seems low. What blood tests should I have?

Talking triggers bad tachycardia & breathlessness. Basic lung & heart tests normal, blood pressure seems low. What blood tests should I have?

Holter monitor: This may be supraventricular tachycardia -- this would be my choice. You'll want to know what kind. The electrocardiogram / EKG will show what might be causing it and what you might do to prevent this annoying problem. ...Read more