A Computed Tomography (CT) scan of the lungs is a helpful diagnostic tool to examine the complexities and abnormalities in the chest. It helps doctors further examine a condition that may have been detected by a simple chest X-ray.
It is not a cause for concern if your doctor recommends a lung CT scan. You may ponder about the process and the duration it would take to be completed. The article delves into the methodology for a CT scan of the lungs. Furthermore, it explores what one can anticipate and some frequently asked questions. So let’s begin.
Why Is It Done?
A CT scan of the lungs serves various purposes. For instance, it helps detect health complications such as lung cancer, infection, blocked blood flow in the lung, or others. CT scan for the lungs can also help detect if cancer has entered the lungs from another part of the body.
What is a CT Scan for Lungs?
A CT scan for the lungs is an imaging methodology that produces in-depth images of the organ and surrounding tissues. It is a non-invasive tool that helps identify a variety of lung conditions. Doctors use it to ascertain the possibility of lung cancer, pulmonary embolism, pneumonia, and chronic obstructive pulmonary disease (COPD).
A CT scan produces images that can easily convert to other formats. You can view these images easily on a computer monitor, printed via a 3D printer, or even transferred to a CD or DVD. Since a CT scan offers more detail than conventional X-rays, it is particularly helpful for blood vessels and soft tissues.
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Common Uses of A Chest CT Scan
A chest CT scan is common to diagnose a range of chest issues and various lung diseases. It serves various purposes for doctors. Some common uses of a CT scan for the lungs include the following:
- Helping diagnose the cause of symptoms of chest diseases such as shortness of breath, cough, fever, or chest pain.
- Helping examine abnormalities detected in a chest x-ray.
- Assessing if a tumor treatment is effective.
- Helping doctors plan radiation therapy
- Determining the size of the chest malignancy, its location, and whether it has migrated to other body areas.
- Evaluating a chest injury, including an injury to the blood vessels, heart, rubs, lungs, and spine.
Moreover, a chest CT scan can also help diagnose various lung disorders. These can include:
- Tuberculosis
- Pneumonia
- Benign and malignant tumors
- Bronchiectasis
- Chronic lung disease
- Congenital abnormalities
CT Scan of Lungs Process
The CT scan of the lungs process typically involves the following steps:
Preparation: When you go in for a Full Body CT scan, you will first change into a gown. Additionally, you will have to take out any jewelry, watches, or dentures that are made of metal. These may affect how well the images turn out and how clear they are. Then a table that slides into the CT scanner will have you lie down on it.
Contrast dye injection (optional): It is not necessary, but sometimes a contrast dye is used, which is injected into your veins to help highlight specific areas of the lungs and improve the accuracy of the CT images. It is voluntary and varies on a case-to-case basis.
Scanning: Multiple X-ray images are captured from various angles as the CT scanner revolves around your body. Your breath may be held for a brief period of time by the radiologist in order to reduce the likelihood of blurring.
Post-scan evaluation: The radiologist will examine the pictures after the CT scan to look for any discrepancies or lung diseases. Your doctor will review the findings with you after they are sent to them.
How Long Does a CT Scan Take for Lungs?
How long a CT scan takes differs from case to case, but generally, it is a half-hour-long procedure. This includes the preparation, contrast dye injection (if needed), scanning, and post-scan evaluation. Visit AQMDI, to avail the best diagnostic imaging services in town.
However, it’s important to note that the actual scan is quick and only takes a few seconds. The remaining time is due to the preparation and post-scan evaluation.
Factors Affecting CT Scan Time
The length of a CT scan of the lungs might vary depending on a number of factors, such as::
Preparation time: This includes the time it takes to prepare for the scan. A patient will have to change into a gown, remove metal objects from their body, and complete paperwork.
Contrast dye injection: If the CT scan requires a contrast dye, it can also affect the time of the scan. The radiologist will inject the dye and wait for it to circulate throughout the body before starting the scan.
The number of scans: Sometimes, more than one scan is done to get a complete image. One CT scan may not be enough, which can increase the overall time.
The type of CT scan: CT scans for the lungs are of various types that can affect their preparation and scanning time.
Patient factors: The body size of the patient and their ability to hold their breath can also affect how long it can take for the scan to complete.
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Tips to Prepare for a CT Scan of Lungs
If your doctor has advised it, a lung CT scan is a need. However, you can get ready for it to ensure a smooth process:
Observe the preparatory guidelines that your physician or imaging facility has supplied. A few hours prior to the scan, they could ask you to abstain from food. Additionally, they will also advise you to avoid caffeine, nicotine and recommend some medication.
Next, you should wear loose-fitting and comfortable clothes. You will need to change into a gown, so make sure they are simple to take off.
Additionally, you should refrain from wearing jewelry because you will have to take it off. Your radiologist will also ask you to remove your watch and dentures. Inform your doctor if you have any allergies or previous reactions to contrast dye, as it may be needed for the scan.
Arrive at the imaging center or hospital on time to allow enough time for the preparation process. Before the scan, if you feel claustrophobic or anxious, it’s best to let your doctor know. They may help you relax by giving medication.
Possible Risks and Side Effects
CT scans for the lungs are generally safe and non-invasive. However, you should be aware of the following risk factors of the procedure:
Exposure to radiation: CT scans expose the body to ionizing radiation due to Digital X-rays. The radiation exposure is small; however, repeated exposure is a problem. Over time increased exposure to radiation increases the risk of cancer.
Allergic reaction to contrast dye: Some people may get an allergic reaction to the scan due to the contrast dye. It can cause hives, itching, or difficulty breathing.
Kidney problems: If you uses a contrast dye, it can affect the kidneys. People who have kidney problems from prior should discuss it with their doctor.
Claustrophobia: As the scan takes place in a tight space, it can cause some people anxiety.
To prevent issues and confusion, you should address your worries with your doctor or radiologist before the scan. Discussing your queries about a CT scan for the lungs will also help you be ready for it.
When to Expect Results
A radiologist conducts the scan and they will review it and send the report to your doctor. Generally, the diagnostic facility will inform you regarding how long the results will take. When you receive it depend on the center or hospital. However, most patients receive their reports a week after the scan.
If your doctor suspects a serious lung condition, they may request urgent reports. They may fear lung cancer or pulmonary embolism. Under those circumstances, you can get your results on the same day.
The Final Word
A CT scan of the lungs is an investigative tool that can facilitate the identification of a range of lung conditions. It aids in the diagnosis of chest anomalies and is non-invasive. A CT scan of the lungs might take any amount of time, depending on the patient.
How long it takes for the scan to be finished can depend on a number of factors. These include the contrast dye injection, the number of scans, and the type of CT scan. Some patient factors can also affect the time of the scan. Ensure compliance with the instructions set forth by the radiologist prior to the scan.
Lung CT scans have certain negative effects even though they are generally harmless. These consist of claustrophobia, kidney issues, contrast dye allergies, and exposure to radiation. Discuss potential concerns with your physician to set your mind at ease for the scan.
Lastly, if you are looking for an ultrasound clinic for full body CT scan services in NJ, you should ensure you choose a reputable and reliable clinic such as AQ Modern Diagnostic Imaging. We are a well-equipped facility that prioritizes patient comfort.