The LVAD medical abbreviation stands for left ventricular assist device, a mechanical pump implanted alongside the heart that takes blood from the left ventricle and pushes it into the aorta. It does much of the pumping work for a left ventricle that has become too weak.
LVAD appears in heart failure clinic notes, intensive care records and emergency charts for people with advanced heart failure. Because the device changes how pulses and blood pressure behave, LVAD notes use some unusual terms. This page explains what the pump does, why it is placed, and how to read the chart language that goes with it.
At a glance
Stands for
Left ventricular assist deviceSaid as
Letter by letter, or EL-vadUsed in
Advanced heart failure, cardiac surgery, transplant programsMain parts
Pump, driveline, controller, batteries or wall powerRelated devices
RVAD (right side), BiVAD (both sides)Usual goals
Bridge to transplant or long term destination therapy
What an LVAD does
In advanced heart failure, often written HFrEF, the left ventricle cannot pump enough blood to meet the body's needs even with medicines. An LVAD is surgically attached to the tip of the left ventricle, with an outflow tube to the aorta. Blood flows through the pump continuously.
A cable called the driveline exits through the skin of the abdomen and connects to a controller worn on a belt or in a bag. The controller runs on batteries during the day and often on a power unit plugged into the wall at night. The person and their caregivers learn to change batteries, respond to alarms and care for the driveline site.
Why the pump is placed: the goals of therapy
| Term in the note | Meaning |
|---|---|
| Bridge to transplant (BTT) | Support until a donor heart becomes available |
| Destination therapy (DT) | Long term support for someone not planned for transplant |
| Bridge to candidacy | Support while the team sees whether the person can become a transplant candidate |
| Bridge to recovery | Temporary support in the uncommon case that the heart may recover |
The goal can change over time. A person placed as destination therapy may later be considered for transplant if their health changes, and the reverse can also happen.
LVAD medical abbreviation in a chart line
Here is a typical nursing line decoded.
| Chart text | Meaning |
|---|---|
| LVAD pt | Patient with a left ventricular assist device |
| MAP 78 by Doppler | Mean arterial pressure measured with a Doppler probe |
| driveline site clean | The skin where the cable exits shows no sign of infection |
| INR 2.4 | Blood thinning level from warfarin, checked often |
Emergency handoff: "LVAD patient, no palpable pulse is expected, use Doppler for MAP." Because the pump flows steadily, many people with an LVAD have a weak or absent pulse, and a standard blood pressure cuff may not read. Staff use a Doppler probe and a manual cuff instead.
Device numbers and alarms in notes
Device checks record readings from the controller, often speed, flow, power and a pulsatility index, which shows how much the native heart still contributes. Teams compare these to the person's usual values, so a change matters more than any single number.
Chart notes also list the anticoagulant, typically warfarin, often with aspirin, since blood clots in the pump are a known risk. Other complications that notes may mention include driveline infection, bleeding, stroke and right heart strain. Their mention means the team is watching for or managing them.
LVAD compared with other heart devices
| Shorthand | What it does |
|---|---|
| LVAD | Mechanical pump that moves blood for the left ventricle |
| ICD | Watches the rhythm and can shock a dangerous one |
| PPM | Paces a heart that beats too slowly |
| CRT | Pacing that coordinates both ventricles |
| IABP | Temporary balloon pump in the aorta, used in intensive care |
Many people with an LVAD also have an ICD already in place. You can find implanted heart devices listed in the surgical abbreviations guide.
Questions caregivers often ask the LVAD team
- What do the different alarms mean, and which ones need an immediate call?
- How should the driveline dressing be changed, and how often?
- Which activities are off limits, such as swimming or bathing?
- Whom should emergency staff contact if the person is brought to a hospital?
Assist device care is highly specialized, and this page is only a general guide to the term. The LVAD coordinator and heart failure team give the instructions that apply to each person.
Frequently asked questions
What does LVAD stand for?
It stands for left ventricular assist device, an implanted pump that helps a weak left ventricle move blood to the body. It is used in advanced heart failure.
Why do people with an LVAD have no pulse?
Most current pumps move blood continuously instead of in beats, so the pulse may be faint or absent. Blood pressure is usually measured with a Doppler probe as a mean arterial pressure.
Is an LVAD the same as a heart transplant?
No. An LVAD supports the person's own heart, which stays in place. It may serve as a bridge until a transplant or as long term therapy.
What is the driveline on an LVAD?
It is the cable that runs from the pump, through the skin of the abdomen, to the external controller and power source. Keeping its exit site clean is a major part of daily care.