0
Can you take blood samples by bone marrow if unable to get venous access?
Wiki User
∙ 13y ago
Entry into the bone marrow will result in the uptake of marrow cells. It is far safer to obtain blood samples through standard methods
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
What is venous access?
Venous access introduces a needle into a vein, usually for the purpose of withdrawing blood or administering medication.
Why is venous access performed?
Venous access is necessary for fluid administration, medication administration, and obtaining blood for chemical analysis.
What is the aftercare for venous access?
For simple procedures such as peripheral venous access, applying simple pressure (to stop bleeding) and a bandage may be sufficient
What two types of blood specimens are used for most hematological tests?
Capillary blood samples and venous blood samples are both used for hematological tests.
What precautions are needed for venous access?
There are no major precautions for access during emergency procedures.
What is the current European and national legislation national guidelines and local policies and protocols which affect your work practice in relation to obtaining venous blood?
current legislation obtaining venous blood samples
How is a lactic acid test done?
Lactic acid is measured more often, in either venous or arterial blood samples.
What does the medical abbreviation VAD mean?
VAD means venous access device.
Can venous access cause problems?
For access into a peripheral vein, care must be taken not to puncture both sides of the vein.
What is the preparation for venous access?
For peripheral vein access in the arm, a tourniquet is applied a few inches over the puncture site.
Why cerebral oximeter normal value is much less than pulse oximeter?
cerebral oxygen saturation are weighted venous samples (70% venous, 30% arterial) Pulse oximeter values are based on arterial oxygen saturations.
Describe the position of accessible veins for venous access in relation to arteries nerves and other anatomical structures?
describ the position of venous blood vessels in relation to arteries, nerves and other structures
