science

Left ventricular mass

Left ventricular mass is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Left ventricular mass rather than just read about it. In short: Left ventricular mass or LVM refers to the mass of the left ventricle of the heart. Left ventricular mass index or LVMi is LVM divided by body surface area.

Key takeaways

Left ventricular mass belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Left ventricular mass to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Left ventricular mass from memory before moving on to harder problems.

Reference excerpt

Left ventricular mass or LVM refers to the mass of the left ventricle of the heart. Left ventricular mass index or LVMi is LVM divided by body surface area. LVM is usually estimated using linear measurements obtained from echocardiography, but can also be calculated using CT or MRI images. LVM increases withe ageing, though ageing related remodeling of the left ventricle's geometry can lead to a discordancy between CT and echocardiographic based measurements of LVM. Published normal ranges for LVMi are 49–115 g/m2 for men and 43–95 g/m2 for women. left ventricular hypertrophy (LVH) is defined as an abnormal increase in LVM, an important independent risk factor for cardiovascular morbidity and mortality. LVM is also an independent risk factor for cardiovascular disease even within the normal limits. A reduction in LVM following antihypertensive treatment or aortic valve replacement is associated with a reduced rate of complications. Intensive athletic training can cause physiologic changes in the heart ("athlete's heart") which include an increase in LVM.

References

Further reading LV Mass and LV Mass Index calculator, Canadian Society of Echocardiography

Worked examples

Example 1 — a first encounter with Left ventricular mass

Start with the simplest possible case. Write down what Left ventricular mass claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Left ventricular mass before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Left ventricular mass ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Left ventricular mass

In research: Left ventricular mass appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Left ventricular mass in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Left ventricular mass is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cardiology, Cardiovascular system stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Left ventricular mass outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Left ventricular mass in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Left ventricular mass means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Left ventricular mass out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Left ventricular mass in simple terms?

Left ventricular mass or LVM refers to the mass of the left ventricle of the heart. Left ventricular mass index or LVMi is LVM divided by body surface area.

Why does Left ventricular mass matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Left ventricular mass?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Left ventricular mass.