Calculating Pressure: Blood Height Above Arm Vein

  • Thread starter Thread starter clipperdude21
  • Start date Start date
  • Tags Tags
    Pressure
Click For Summary
SUMMARY

The discussion focuses on calculating the height at which a container of plasma must be hung above a patient's arm vein to achieve a specific blood pressure of 2000 Pa above atmospheric pressure. Using the equation patm + pgh = 1.01 x 10^5 + 2000, the required height (H) is determined to be 0.204 meters. Additionally, the participants explore the implications of draining blood slowly, suggesting that the height should be adjusted accordingly, although the exact value remains unspecified.

PREREQUISITES
  • Understanding of fluid dynamics principles
  • Familiarity with pressure calculations in physics
  • Knowledge of the relationship between height, pressure, and density
  • Basic algebra for solving equations
NEXT STEPS
  • Research the principles of hydrostatic pressure in fluids
  • Study the effects of blood density on pressure calculations
  • Learn about the implications of draining fluids at varying heights
  • Explore advanced fluid dynamics equations related to pressure and flow
USEFUL FOR

Medical students, healthcare professionals, and anyone interested in the physics of blood circulation and fluid dynamics.

clipperdude21
Messages
48
Reaction score
0
1. Blood travels from a container hanging at a height H abovethe table into the vein of a persons arm. The blood pressure in the vein is 2000 Pa above 1 atm. Blood has a density of 1 g/cm^2

(a) How high should the container of plasma hang above the patient
(b)Suppose you want to drain blood very slowly from the patient into the container. How high should you hang the container in this case.

Homework Equations


3. I used patm +pgh = 1.01X10^5 + 2000 and got H as .204 meters. For b i thought it would be less than .204 meters
 
Last edited:
Physics news on Phys.org
bump! please help if you can
 

Similar threads

  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 3 ·
Replies
3
Views
4K
  • · Replies 5 ·
Replies
5
Views
3K
Replies
2
Views
8K
  • · Replies 2 ·
Replies
2
Views
5K
  • · Replies 2 ·
Replies
2
Views
3K
  • · Replies 9 ·
Replies
9
Views
1K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 1 ·
Replies
1
Views
4K
  • · Replies 5 ·
Replies
5
Views
8K