Questions tagged [hemoglobin]

Hemoglobin (abbreviated Hb or Hgb) is the iron-containing oxygen-transport metalloprotein in the red blood cells.

Filter by
Sorted by
Tagged with
3 votes
1 answer
97 views

What limits the VO2 (rate of oxygen consumption) in individuals?

I am quite confused regarding what limits the VO2 max, options are (1) number of mitochondria or (2) the ability of the cardiovascular system to deliver oxygen to tissues. I believe it should be the # ...
helplessstudent147's user avatar
3 votes
1 answer
160 views

Why transfused blood has lower 2,3 - BPG levels

I read the following quote in the textbook Kaplan Biochemistry (2018 edition, page 183): Transfused blood has lower than expected 2,3 BPG levels, making it less efficient at delivering oxygen to ...
Physicsapproval's user avatar
2 votes
0 answers
107 views

Benefits of low hemoglobin in high altitude populations

Tibetans living at high altitudes have red blood cell levels and hemoglobin levels similar to those of lowlanders at sea level — and as a consequence of the low oxygen levels at those altitudes, ...
Mango Princess's user avatar
2 votes
1 answer
6k views

Why is 88% SpO2 considered a critical level?

If I understand correctly, arterial blood is usually saturated to ~95% with oxygen, the oxygen being transported in combination with haemoglobin in a ratio of 4:1. Venous blood is saturated at around ...
Ian's user avatar
  • 121
1 vote
0 answers
39 views

How much time before donating blood should I eat food rich with iron? [closed]

I am regular donor and sometimes, they will not accept me because my iron level is too low (hemoglobin level is I believe precisely what is measured, though I am not an expert). They send me home, and ...
user26069's user avatar
1 vote
0 answers
19 views

Susceptibility of β-Thalassemia Heterozygotes to COVID-19

A recent study by medical researchers in Greece (https://pubmed.ncbi.nlm.nih.gov/34441941/) concluded that β-Thalassemia Heterozygotes (carriers) are more susceptible to severe symptoms of COVID-19 as ...
Constantine's user avatar
1 vote
0 answers
428 views

What does it mean if my urine test is positive for ketones, hemoglobin, and leukocytes?

What would be some of the reasons/explanations as to why one's urine test would test positive for ketones, hemoglobin, and leukocytes? I'm not even sure what ketones and leukocytes are. Thanks.
Butterfly and Bones's user avatar
0 votes
1 answer
586 views

Hemoglobin level is not increasing in blood - Why?

I have low level of hemoglobin in my blood. I include the followings in my food. Pomegranate,Iron syrups,Dates,Beetroot. Still my hemoglobin level is not increased properly. I want some suggestions to ...
Lakshmi Balan's user avatar
0 votes
0 answers
161 views

Can inadequate amount of water in body, affect CBC test results?

I remember once my father took a CBC test, and his hemoglobin was strangely higher than that of one day before. We thought the test could be erroneous, but the lab's technician said it's probably ...
asmani's user avatar
  • 425