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A 36-year-old member asked:

what could happen when plasma catacholamine levels are abnormal?

1 doctor answer1 doctor weighed in
Dr. Philip Kern
Endocrinology 43 years experience
Adrenaline rush: Everyone gets an adrenaline rush occasionally: stress, fear, near miss on the road with palpitations, sweating, maybe headache. Chronic stress can cause chronically elevated catechols, which makes you nervous, uncomfortable, blood pressure, and stresses your heart. There are tumors caused pheochromocytomas that do this, but they are very rare. Talk to your doctor about what may be causing this.

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A 21-year-old member asked:

What are plasma derived clotting products?

2 doctor answers6 doctors weighed in
Dr. Gurmukh Singh
Pathology 49 years experience
Blood derived: The liquid part of blood, called plasma, contains a number of proteins/factors essential for blood clotting. Some of the factors can be isolated for administration to patients deficient in a given factor, e.g., factor viii for hemophilia.
A 35-year-old member asked:

Is there a downside to donating too much plasma over a period of time?

1 doctor answer1 doctor weighed in
Dr. Wayne Ingram
Specializes in Obstetrics and Gynecology
Yes: Anemia is the result of giving too much blood over a short period of time. It takes 90 days for the bone marrow to produce a red cell to replace what was lost.
A 40-year-old member asked:

What is plasma osmolarity?

1 doctor answer2 doctors weighed in
Dr. Gurmukh Singh
Pathology 49 years experience
Solutes in plasma: Plasma osmolarity is a reflection of various salts in plasma. It can be measured directly, usually by freezing point depression, or commonly calculated using the following equation = 2[na+] + [glucose]/18 + [ BUN ]/2.8 where [glucose] and [bun] are measured in mg/dl. Normal value is 270-310 milli-osmoles per kilogram.
CA
A 28-year-old male asked:

What is the definition or description of: plasma?

2 doctor answers4 doctors weighed in
Dr. Alfredo Garcia
Pediatrics 56 years experience
Plasma: Plasma is the liquid portion of unclotted blood.
Nashville, TN
A 33-year-old male asked:

Could IgG subclass deficiencies be caused by plasma b cell diseases/disorders?

1 doctor answer1 doctor weighed in
Dr. Nayla Mumneh
Allergy and Immunology 29 years experience
Yes: It is possible to have malfunction of immunoglobulins or low levels in b cell disorders. A subclass deficiency by itself is usually not clinically significant and does not warrant treatment but if an underlying b cell disorder exists, it should be remedied.

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Last updated Apr 13, 2014

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