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pumped shower

The intra-aortic balloon pump (IABP) is a mechanical device that increases myocardial oxygen perfusion and indirectly increases cardiac output through afterload reduction. It consists of a cylindrical polyurethane balloon that sits in the aorta, approximately 2 centimeters (0.79 in) from the left subclavian artery. The balloon inflates and deflates via counter pulsation, meaning it actively deflates in systole and inflates in diastole. Systolic deflation decreases afterload through a vacuum effect and indirectly increases forward flow from the heart. Diastolic inflation increases blood flow to the coronary arteries via retrograde flow. These actions combine to decrease myocardial oxygen demand and increase myocardial oxygen supply.A computer-controlled mechanism inflates the balloon with helium from a cylinder during diastole, usually linked to either an electrocardiogram (ECG) or a pressure transducer at the distal tip of the catheter; some IABPs, such as the Datascope System 98XT, allow asynchronous counterpulsation at a set rate, though this setting is rarely used. Helium is used to inflate the balloon as it is low density means there is little turbulent flow, so the balloon can inflate fast and deflate slowly. It is also relatively benign and eliminated quickly if there is a leak or rupture in the balloon.

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  1. W

    pumped shower

    hi, iv been asked to fit a pumped shower but would like a bit of info as i have not fitted many. The CWSC is directly above the cylinder in the airing cuboard and is 25gallon , the bathroom is just across the hall from the airing cuboard, they have had another plumber look at the job and he was...
  2. S

    correct installation advice for secondary return and pumped shower

    If I fit an indirect cylinder with a secondary return pump fitted to an Essex flange and then fit another essex flange to supply a pump for a shower, will the secondary return pump affect the flow switch on the shower?, i.e. will this cause the shower pump to kick in when their is no demand?.
    • supermario
    • Thread
    • advice correct cylinder essex flange flow indirect installation pump pumped pumped shower return secondary shower shower pump supply switch
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  3. S

    Confused: do i need a Positive or Negative Pump ??????

    Hi All I'm confuased.. I do i need a Positive or Negative Pump ?????? I have very low water pressure in my shower and want to fit a pump to boost it.. the bathroom is on the floor below the loft, as is the hot water tank. the cold water is fed from a tank in the loft, the hot water is fed...
    • stu2010
    • Thread
    • bathroom cold cold water cold water tank confused cylinder fed hot hot water loft low water pressure negative positive pressure pump pumped shower shower tank vessel vibration water water pressure work
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  4. J

    Header tank in bathroom

    Hi there, Newbie here I am building a small 40'x20' log cabin and am planning on having a vented direct cylinder in a substantial cupboard in the bathroom. I'm planning on putting the header tank above the cylinder, since there is no loft space. Since the cold header tank will be in close...
    • johng123
    • Thread
    • air bar bathroom circulation cold combi condensation cylinder head header header tank heat loss hot installation insulation mains pipe pressure pump pumped shower shower tank unvented water
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  5. J

    Combi cutting out when running shower

    My friend has a combi boiler and is running a shower with a pump, Recently the water has going cold and the boiler has been shutting off, Has anybody any idea. The boiler is ok once you start it again
    • joe brown
    • Thread
    • boiler boilers central heating system cold combi combi boiler cutting cutting out hot hot water install low water pressure mains metal power pressure pump pumped shower running shower shower pump system taps water water pressure
    • Replies: 9
    • Forum: Plumbing Jobs | The Job-board
  6. P

    Google,taking over the web

    Google seems to be talking over the world and in doing so starting to control the net I am beginning to find it annoying I have just searched for an intrigued shower/pump unit and got nearly a page of sponsored links, which would not be so bad but not one of them did or had anything to do with...
    • Puddle
    • Thread
    • comparison control google hose polish price pump pumped shower rules shower shower pump web
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  7. L

    what pipes to fit for shower - need help quckly

    hi guys /girls need advice on what shower to fit cannot be electric as we already have one en-suite and screws up building regs..Problem is an unbalanced water feed system.got a coldwater gravity fed hot water tank and a coldwater feed from a borehole high press. direct to shower head what can i...
    • lauri
    • Thread
    • bar basin cold cold water cold water storage condensate cylinder head help hot job loft mains mixer pipe pipes pressure pump pumped shower shower supply system tank triton valves water
    • Replies: 23
    • Forum: Plumbing Jobs | The Job-board
  8. C

    pumping probs

    HI all my first time on here be gentile. I have a pumped shower hot & cold. all pipe work as per pump manufacturers instructions for a neg head pump. From the pump the pipe work runs up into the loft across loft and down to mixer after using shower the pump stops and starts every 5 mins untill...
    • cam
    • Thread
    • air cold head hot leak loft mixer pipe pump pumped shower pumping shower valve valves work
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  9. R

    Copper pipe and electric cable in same conduit?

    I have seen some electric showers with with a condiut trunking running from ceiling to electric shower and the electric cable running in the same conduit. Is this OK. Both are in conduit away from plaster. But is there a building reg that says copper pipe not to touch electric cable.:confused:
    • RayPlumb
    • Thread
    • building cable ceiling cold conduit copper electric hot insulation loft overheat pipe power problem pumped shower shower showers triton website
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  10. J

    falling pressure on hot in shower

    My shower uses a Bristan bar mixer and a salamander right pump. After experiencing falling pressure along with falling temperature. I have turned the pump round, not a handed pump, with no change. I then connected a couple of hoses to the pump and found that for the same volume of water the cold...
    • Johntynycoed
    • Thread
    • bar cold cold water cylinder filter flange header hot mixer pipe plumbing pressure pressure problem problem pump pumped shower salamander shower shower valve tank taps tee temperature test valve water
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  11. H

    CWSC's

    Hi guys I was after some advice on fitting 2 50 gallon cwsc in the loft. I know that you need to link them with 28mm pipe, feed and overflow fitted in first tank and cold feed/cold distribution pipe out of second cwsc. The main question I have is that the current system is a direct cold water...
    • helpsy
    • Thread
    • 28mm bar ceiling cold cold water fitting hot loft overflow pipe pipes pumped shower salamander shower supply switch system tank wall water
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  12. R

    Shower Mixer Flow Problem

    Hi I have a pumped shower with an Aqualisa shower mixer, Model 400 I think, which until recently was working fine, but now when turning the shower on the pump takes about 15 seconds to start. If the shower is turned off when set to its hottest setting and then turned on again the pump kicks in...
    • RG1953
    • Thread
    • aqualisa cold flow head header header tank hot mixer problem pumped shower shower shower head shower mixer tank taps test
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
  13. J

    Help with manual mixer shower prob

    Hi chaps, Would appreciate some help. I've installed a manual mixer shower on a open vented system, only to find out later that the shower doesn't work properly. You will already know that this is because the cold feed upstairs is linked to the rising main and the hot is fed from the loft...
    • joni2008
    • Thread
    • cistern cold cold water connect fed freezing help hot hot water job loft main manual mixer mixer shower open vented plumber power pressure pumped shower shower supply system tank temperature valve waste water water storage tank work
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
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