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Stool Analysis

… is being tested for blood, you may need to avoid certain foods for 2 to 3 days before the test. This depends on what … is being tested for blood, you may need to avoid certain foods for 2 to 3 days before the test. This depends on what …

Single Photon Emission Computed Tomography SPECT

Home Blood Sugar Test

… can be very helpful in learning how your body reacts to foods, illness, stress, exercise, medicines, and other … can be very helpful in learning how your body reacts to foods, illness, stress, exercise, medicines, and other …

Creatinine and Creatinine Clearance

… substance, creatine (say "KREE-uh-teen"), is formed when food is changed into energy through a process called … substance, creatine (say "KREE-uh-teen"), is formed when food is changed into energy through a process called …

Transesophageal Echocardiogram

… helpful to remember that the probe is no thicker than many foods you swallow. When the probe is in your esophagus, it … helpful to remember that the probe is no thicker than many foods you swallow. When the probe is in your esophagus, it …

Bronchoscopy

… biopsy. To clear the airway of objects (such as a piece of food) that can't be removed with a flexible bronchoscope. … biopsy. To clear the airway of objects (such as a piece of food) that can't be removed with a flexible bronchoscope. …

Computed Tomography CT Scan of the Body

… scan of your belly, you may be asked to not eat any solid foods starting the night before your scan. For a CT scan of … scan of your belly, you may be asked to not eat any solid foods starting the night before your scan. For a CT scan of …

Endoscopic Retrograde Cholangiopancreatogram ERCP

… help move the tube along. The scope is no thicker than many foods you swallow. When the scope is in your esophagus, your … help move the tube along. The scope is no thicker than many foods you swallow. When the scope is in your esophagus, your …

Sleep Studies

… , before your sleep study. You may be asked to avoid food or drinks with caffeine during the afternoon or evening … , before your sleep study. You may be asked to avoid food or drinks with caffeine during the afternoon or evening …

Lung Function Tests

… that doesn't restrict your breathing in any way. Avoid food or drinks with caffeine. Caffeine can cause your … that doesn't restrict your breathing in any way. Avoid food or drinks with caffeine. Caffeine can cause your …