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Doctor insights on: Why Do They Test The Fluid Samples From A Thoracentesis For Amylase And Glucose

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Why do they test the fluid samples from a thoracentesis for amylase and glucose?

Why do they test the fluid samples from a thoracentesis for amylase and glucose?

Evaluate cause: A thoracentesis involves removing fluid from the pleural cavity. Laboratory values obtained from the fluid may enable a doctor to determine the cause of the fluid accumulation. Amylase present in the fluid could mean either pancreatitis or, more rarely, esophageal perforation. Glucose<40mg/dl, possible infection, >40mg/dl probably not infectious. ...Read more

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Dr. David Dang
29 doctors shared insights

Thoracentesis (Definition)

When a patient has fluid around the lungs, sometimes we need to find out what caused it, other times we want to remove the fluid so the patient can breath easier. It takes place under sterile conditions by placing a needle into the chest wall from the back and connecting the needle with a catheter to a suction bottle which collects the fluid. Fluid is ...Read more


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What are the reasons doctors test the fluid from a thoracentesis for amylase and glucose?

What are the reasons doctors test the fluid from a thoracentesis for amylase and glucose?

Cancer & infections: A few possible causes of increased pleural fluid amylase level are cancer, pancreatitis, liver cirrhosis and tuberculous infection. Cancer is more commonly and is more likely with high amylase level. Pleural fluid glucose helps in certain infections from noninfectious causes of pleural effusions. ...Read more

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Why do they test the fluid from a thoracentesis for amylase?

Why do they test the fluid from a thoracentesis for amylase?

Pancreas: To try and determine where is has or is coming from. Amylase may be a sign that that there is a problem with the pancreas nad although rare may be foind in thoracentesis fluid. ...Read more

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Blood glucose fasting 125 hb1ac 6% pancreatic amylase 23 (nor 30-110) bmi 30 almost bedridden due to L3 L4 operation pls adv 2 STOP PROGRESSION TO DM?

Blood glucose fasting 125
hb1ac 6%
pancreatic amylase 23 (nor 30-110)
bmi 30
almost bedridden due to L3 L4 operation 
pls adv 2 STOP PROGRESSION TO DM?

Diet is the key: I understand your exercise is limited, so your next step is diet. Do an internet search for a BMR calculator to determine how many calories you can eat a day to maintain your weight and be sure not to eat more than that. Low carbohydrates is also important to keep blood sugars lower. Also, talk to your doctor to see if/when you would need to start a medication to help with your blood sugars. ...Read more

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High WBC, high Neut, low lymph, low K, high glucose, lowRBC, low creatine, high amylase, high AST, urine w/ protein & ketones. Treatment?

Based on the: above lab results, and without any clinical knowledge of patient symptoms and course of disease, I would have to say it's impossible to devise a plan of treatment. Please visit your healthcare provider or begin a Virtual Consult with one of our physicians to discuss diagnostic and treatment options. Thanks for trusting in HealthTap. ...Read more

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Do I have to get some blood tests before doing a thoracentesis?

Do I have to get some blood tests before doing a thoracentesis?

Yes: A doctor will usually want a few simple blood tests to make sure you do not have some potential for bleeding prior to a thoracentesis. It depends a lot on what medications you are currently taking, especailly blood thinning medications and your general level of health at the time of the thoracentesis. A protime test and a blood count are typical tests to do prior. ...Read more

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What can cause amylase & lipase levels to slightly elevate? They weren't too high like norm is under 300 it was 332. All rad tests are negative!

Gallbladder: Passing small gallstones is a possible reason for your elevated amylase and lipase. If you had an ultrasound, and it was normal, no stones and no sludge then consider a nuclear tech hida. Your doc or GI specialist will need to be consulted. ...Read more

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Blood Sugar (Definition)

The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. The body naturally tightly regulates blood glucose levels as a part of metabolic homeostasis. Glucose is the primary source of energy for the body's cells, and blood lipids (in the form of fats and oils) are primarily ...Read more


Dr. Cayce Jehaimi
2,569 doctors shared insights

Glucose (Definition)

Glucose is the basic sugar molecule and the source of energy throughout the living kingdom. We are programmed to easily detect it by taste in our foods as it is desirable but can be overdone with the modern diet. It gets out of control ...Read more