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Doctor insights on: Ct Scan Shows Clot In Lungs

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Can you tell me in january, they done just a CT scan on my lungs and showed nothing and sent me home. I had accurate is the d-dimer for clots?

Can you tell me in january, they done just a CT scan on my lungs and showed nothing and sent me home. I had accurate is the d-dimer for clots?

Not accurate : A negative d dimer is helpful for ruling out pulmonary clots. A positive d dimer is basically useless as it can occur from a variety of reasons. A CT angiogram is close to the gold standard for determining whether there are clots in lungs. Regardless of what the d dimer showed, if the CT was negative and they used contrast for the CT then you are in the clear. ...Read more

Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more


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CT scan of lungs (to rule out clot) showed 15mm lesion on sternum, well corticated. Do I need this monitored or further tests?

CT scan of lungs (to rule out clot) showed 15mm lesion on sternum, well corticated. Do I need this monitored or further tests?

If it were me, I--: --would. I would want an MRI bone scan. This would give me an idea if solid or cystic, also the nuclear scan would tell me if it is active, ie: destroying bone. The scan would tell me if there is increased bone uptake, meaning the bone is actively being repaired. If @ all suspicious, have it removed. ...Read more

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Is a CT scan better at detecting blood clots in the veins/lungs/body versus ultrasounds ?

Depends on site: Ct is the gold standard for detecting clots in the lungs (pulmonary embolism). Ultrasound is more reliable for detecting clots in the veins of the arms or legs. Clots in the neck veins are usually seen with ultrasound, while clots in the brain usually need an MRI for diagnosis. ...Read more

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Ddmer test slightly elevated, no blood clot in lungs from CT scan. In the clear, or need to keep an eye on it?

Ddmer test slightly elevated, no blood clot in lungs from CT scan. In the clear, or need to keep an eye on it?

Yes, assuming: no other explanations for your presumed chest pain an/or shortness of breath, ie lung or heart issues, would monitor your symptoms and adhere/continue recommendations from your local doc. ...Read more

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If i tested borderline positive on blood test for lung blood clots but negative on VQ Scan is it possible a CT Scan or another test could be positive?

Possible: VQ scan usually quite accurate at detecting significant pulmonary embolism. CT angiography is used as well and can detect small foci which may not be detected on VQ scan. Sometimes small emboli are not as symptomatic. Should consult your physician. ...Read more

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Had my heart just checkout but my blood gases were low just saw a lung doctor just had a CT scan done no clot what could that mean.

Had my heart just checkout but my blood gases were low just saw a lung doctor just had a CT scan done no clot what could that mean.

Pulmonary problem: You may have a problem with gas exchange, or oxygenating your blood and removing carbon dioxide from it. Keep seeing the pulmonologist (lung doctor) to find out why. ...Read more

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Went 2 ER 4 stabbing chest painin rt lung did repeat CT scan bloodwk xray dopplar EKG everything was neg and said old clots were gone. y am i hurting?

Went 2 ER 4 stabbing chest painin rt lung did repeat CT scan bloodwk xray dopplar EKG everything was neg and said old clots were gone. y am i hurting?

Anxiety: if all else is negative -probably anxiety. Especially if it took a while for you to get evaluated the first time. Pts are often lectured to come in if any problems and not to wait! Then the pt starts to have recurrent symptoms and comes in every time only to hear an ER doctor say " you again?" its difficult for the pt not to over react vs delaying treatment. ...Read more

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What to do if I have what feels like hyperinflated lungs, although my recent expiratory CT scan shows no air trapping.?

What to do if I have what feels like hyperinflated lungs, although my recent expiratory CT scan shows no air trapping.?

Air trapping: Talk to your doctor. The way to diagnose COPD etc... is with pulmonary function tests, not necessarily CT. ...Read more

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Had CT scan which show the shaped of my lungs are not normal, what can cause the shaped to change. Thanks?

Had CT scan which show the shaped of my lungs are not normal, what can cause the shaped to change. Thanks?

Need more info: Please be more specific. It would help if you can include exact wording from ct report so that i may help you. ...Read more

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Ct scan shows lung polyps on my lungs. What does this mean for me?

Ct scan shows  lung polyps on my lungs. What does this mean  for me?

Need to know more: About the findings on a ct. I am not familiar with the term "lung polyps". Pulmonary nodules are quite common, and depending on appearance, density and stability (if an older scan is available), can be accurately classified as benign. Unfortunately, although most are benign, for many patients, we cannot tell for sure on 1 scan, so further workup is necessary. Please discuss this with your doc. ...Read more

Dr. Hirenkumar Italia
1 doctor shared a insight

Computed Tomography (Definition)

Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but ...Read more


Dr. Michael Korona
1,787 doctors shared insights

Ct Scan (Definition)

Ct scan uses data from a beam of xrays and reconstructs a cross sectional image of your body. It is a high dose of xrays and used only when the benefits outweigh the risk. Cancer risk is 1 in 500 in children. Also using iodinated contrast might cause transient renal failure in about 5% of patients. (contrast induced nepropathy) most do not explain this to the patient as ...Read more