Question 1

what can cause low blood volume?

Accepted Answer

Low Blood Volume: Low blood volume (lv) can be caused by lack of intake, or loss of fluids. If one has a hemorrhage and losses a great deal of blood, that causes lv. If a person has severe diarrhea, lv can be consequence as well. Likewise, if a person is denied water, lv is a result as well. Lv can be a serious situation if it severe and acute. In that case, seek medical attention as soon as possible.

Question 2

my ob told me i had low blood volume what does this mean?

Accepted Answer

Sure: In pregnancy, your blood volume increases quite a bit. If you do not drink enough water or if you are anemic your blood volume may not increase. We will need to see the entire blood count report to give you proper advice. I suggest that you either ask your doctor to explain in more detail or get your records and do a virtual consult with us.

Question 3

can you still have low blood volume if blood pressure is normal?

Accepted Answer

Yes, but...: Your body will compensate only so long.  If the "blood volume is low" otherwise known as anemia, this should be investigated.  The younger you are (infants excluded) the longer you can tolerate this but at low hematacrit levels you will begin to have symptoms.  Have your doctor do a cbc.

Question 4

is there correlation between low blood volume and anemia? can you clarify?

Accepted Answer

Correlation yes, yet: very variable. If we bleed, internally &amp;/or externally, then blood volume drops-Short Term &amp; up to ~1/3 volume can be compensated for via venous constriction short term, without RBC count change. However, low intravascular volume immediately begins recruiting extracellular water from tissues back into vascular space gradually ↑ing volume &amp; ↓ing RBC count over next many hours. Complex relation.

Question 5

when i had bacteremia, the blood cultures also showed my blood volume was low. did the infection itself affect the volume? confused

Accepted Answer

Quite confusing...: Blood culture tests provide no information on whether a patient's blood volume is high, low, or normal. When it happens, low blood volume is reflected in a patient's symptoms and the course of her illness. Her various blood test results (not the blood culture) can suggest that blood volume was recently lowered due to her symptoms, but there is not a simple "blood volume lab test".

Question 6

male 22 angiotensin ii was 8ng/l and aldosterone 161 pmol/l i urinate a lot and have pots. could this cause low blood volume?

Accepted Answer

Can't answer: Normal values vary from lab to lab. This question is complex and can't be answered in a vacuum.

Question 7

recent blood test shows low indirect bilirubin (.08)+increased blood volume (99.7)+increased hematocrit (47.2)+high wbc (14,200). huh?

Accepted Answer

Uncertain.: The WBC is definitely high, but the HCT and MCV are borderline, and thus of uncertain significance.  If truly elevated, the HCT could point to a primary or secondary polycythemia, an increase in the number of red blood cells.  But this could also reflect mild dehydration, and given the borderline degree could be nothing.  The high WBC is real.  If you have no symptoms I would just repeat in 1mo.

Question 8

i have postural orthostatic tachycardia syndrome, for 1-3 days after alcohol(4pints) my symptoms are much worse, could it be from lower blood volume?

Accepted Answer

Yes.: Alcohol is a diuretic. It reduces the intravascular volume. This will definitely make POTS worse.

Question 9

could 6 tubes of blood draw over 3 weeks quickly worsen anemia symptoms of a severely anemic person (half the blood volume, half the rbc)?

Accepted Answer

No. : The amount you describe is negligible. Total blood volume is about 5600 ml in an average adult male, and 6 tubes if blood would be about 60 ml, just over 1%.  The amount is too small to have an impact.

Question 10

my body temp ranges from 95-97.7 lately; feel feverish when v low. 21, v ill with pots-like symps since flu in feb (tilt-table test end of july). can normal hospitals do blood volume tests?

Accepted Answer

Need to re-evaluate: Low body temperature can occur with low vit d3. Check 25-oh vit d3 levels not 1, 12 vit d3. Propanolol and bisprolol can lower BP too much and cause poor circulation. Alternate approach to pots is drinking electrolyte rich water, eating 6 equal meals, and avoiding high carb meals. Will power training by kelly mcgonigal very helpful. Exercises done lying down like the core program helps too.

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Doctor answers about:

Low blood volume symptoms

A member asked:

What can cause low blood volume?

A member asked:

My ob told me i had low blood volume what does this mean?

A member asked:

Can you still have low blood volume if blood pressure is normal?

A member asked:

Is there correlation between low blood volume and anemia? can you clarify?

A member asked:

When i had bacteremia, the blood cultures also showed my blood volume was low. did the infection itself affect the volume? confused

A member asked:

Male 22 angiotensin ii was 8ng/l and aldosterone 161 pmol/l i urinate a lot and have pots. could this cause low blood volume?

A member asked:

Recent blood test shows low indirect bilirubin (.08)+increased blood volume (99.7)+increased hematocrit (47.2)+high wbc (14,200). huh?

A member asked:

I have postural orthostatic tachycardia syndrome, for 1-3 days after alcohol(4pints) my symptoms are much worse, could it be from lower blood volume?

A member asked:

Could 6 tubes of blood draw over 3 weeks quickly worsen anemia symptoms of a severely anemic person (half the blood volume, half the rbc)?

A member asked:

My body temp ranges from 95-97.7 lately; feel feverish when v low. 21, v ill with pots-like symps since flu in feb (tilt-table test end of july). can normal hospitals do blood volume tests?

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