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Jacksonville, FL
A 36-year-old female asked:

mri says, minor mucosal disease in the sphenoid sinus. minor sphenoid sinus mucosal thickening. should i be concerned?

1 doctor answer1 doctor weighed in
Dr. Paxton Daniel
Radiology 39 years experience
Usually no: Mild mucosal thickening in the sinuses is commonly seen on MRI. It can be the result of allergies. Fluid in the sinuses is more concerning as it can indicate infection (sinusitis)

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A 38-year-old member asked:

Can you tell me the difference between bradycardia and sinus bradycardia?

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Dr. Mike Bowman
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Easy...: Bradycardia means a slow heart rate. Sinus bradycardia means a slow heart rate that originates from the normal location in the heart.
CA
A 35-year-old member asked:

What does sinus bradycardia look like on an ecg?

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See below: Sinus bradycardia is usually defined as a heart beat of less than 60 beats per minute. Iit by itself does not indicate a heart problem.
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Is a sinus tachycardia same thing as supraventricular tachycardia?

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No: Sinus tachycardia is the normal fast heart rate that results from a stressful situation, physically or emotionally (running, being upset, having fever, etc...). Svt is an arrhythmia that usually requires abnormalities of the electrical conduction system of the heart, and if frequent and troubling needs directed treatment. Sinus tachycardia does not require treatment of its own usually.
A 31-year-old member asked:

How long does it take for a brain mri?

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20-60 minutes: It varies depending on how many sequences are required. A basic scan runs about 20 minutes, but if the scan requires specialized looks at specific areas (such as the pituitary, the temporal lobes, or the orbits), or if additional sequences with contrast agent are needed, it can take significantly longer.
A 32-year-old member asked:

What are the dangers caused by a brain mri?

2 doctor answers2 doctors weighed in
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MR imaging is safe: There are no inherent dangers caused by the magnetic field on the brain. However, a number of items can interfere with mr imaging and some may be hazardous, these include older brain aneurysm clips, cardiac pacemakers/aicd/defibrillators, implanted medicine pumps, tens unit, bullet fragments/pellets/shrapnel, embolization coils, etc. Claustrophobic patients find MRI difficult to without medication.

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Last updated Mar 9, 2018

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