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Deep cut and losing lot of blood - Online Doctor Chats

Date : 21-Feb-2012
User rating for this question
Very Good Posted in: General Health
Answered by

General & Family Physician
Practicing since : 2009
Answered : 494 Questions
User :   I have a deep cut on my right hand along the posterior base of my thumb traversing back almost to the wrist. I believe it is the radial artery that was cut, obviously pumping blood out until I could wrap the area with a towel and get to the hospital.
The doctor used two clamps (scissor style) to stop the flow (without freezing for pain) and sutured the wound.
Question 1: After removing the clamp(s), why doesn't the blood flow again? Did he crimp it closed?
Question 2: Does the artery regenerate itself ?
Luckily, there is absolutely no pain in the wound whatsoever, with complete mobility, and therefore no tendons, etc. involved.
I lost a fair bit of blood because I am in a foreign country and couldn't explain that I needed to change towels to wrap the wound effectively and apply pressure. They were concerned just to get me to the nearest hospital. I was completely naked when the cut occurred, so I had to put on my pants by myself, therefore releasing pressure on the initial towel. I again had to release pressure and, luckily get another towel folded lengthwise with the help of a savvy friend who at least understood my adamant concern to stem the flow before I was going anywhere. The second towel provided the perfect material, and I lost no more blood until they removed it at the hospital. Then I started to feel faint and felt nauseous.
Question 3: How much blood did I lose to cause faintness? How much time does one have with a wound of this sort when you are naked and acting alone?
Doctor :   Hi
User :   Hello
Doctor :   Let me read your query for few minutes to be able to have a good discussion here
User :   OK
Doctor :   the bleeding after the clamp removal , is because of the elastic recoil of the arterial wall
User :   It was minimal. Why doen't it pump out the same volume as before?
Doctor :   yes, with good approximation of the cut ends of the vessel the vessel can regenerate and recanulate
User :   Thanks
Doctor :   and fainting is a psychological effect
User :   How much blood loss?
Doctor :   one should loose more than a liter of blood to go into actual fainting
User :   I am not faint of heart
User :   I doubt I lost that much
User :   How much time before danger without pressure
Doctor :   no its almost a universal symptom , after loosing some amount of blood , the threshold may differ in different people
Doctor :   acting faster is better
User :   Was this the radial artery?
Doctor :   since you will be in panic , the heart rate will be high pumping out more and more blood
User :   Yes
Doctor :   I need a little more detailed description about the site of the injury
User :   My hand is palm down. The cut is along the base of the thumb to the wrist and deep
Doctor :   radial artery resides about a centimeter deep in the palmar aspects of the wrist
Doctor :   in the lateral half ( thumb side )
User :   From diagrams, I think was radial artery
User :   It would take a while to be in danger from blood loss without pressure?
Doctor :   yes,
User :   How long?
User :   I weigh 88 kilos
User :   Strong and healthy
Doctor :   only minutes, may be 2 to 5 min
User :   So
User :   Thank you for your knowledge on the matter
Doctor :   you are welcome
Doctor :   Thanks for consulting me
User :   Where are you?
Doctor :   India
User :   I thought so
User :   I am in Thailand
User :   Not too far!
Doctor :   oh , good
Doctor :   yes,
User :   Thanks again. Have a good day
Doctor :   Wish you the same
Doctor :   Bye for now
Doctor :   Take care
User :   Thank you
User :   Bye
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