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Precordial catch syndrome

Precordial catch syndrome 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 Precordial catch syndrome rather than just read about it. In short: Precordial catch syndrome (PCS) is a non-serious condition in which there are sharp stabbing pains in the chest. These typically get worse with inhaling and occur within a small area.

Precordial catch syndrome — main illustration
Precordial catch syndrome — illustration

Key takeaways

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

Reference excerpt

Precordial catch syndrome (PCS) is a non-serious condition in which there are sharp stabbing pains in the chest. These typically get worse with inhaling and occur within a small area. Spells of pain usually last less than a few minutes. Typically it begins at rest and other symptoms are absent. Concerns about the condition may result in anxiety. Precordial catch syndrome is relatively common, and children between the ages of 6 and 12 are most commonly affected. Males and females are affected equally. It is less common in adults. The condition has been described since at least 1893.

Signs and symptoms Characteristic symptoms include sharp stabbing pains in the chest. These typically get worse with breathing in and occur within a small area. Spells of pain usually last less than a few minutes. Typically it begins at rest and other symptoms are absent. Concerns about the condition may result in anxiety, with sufferers often fearing that the pain is a sign of a more serious condition. Similar anxieties in those who experience the syndrome on a regular basis may manifest as a worry of the syndrome itself happening, with patients feeling scared to take fuller breaths in fear of triggering a spell. Other conditions that may produce similar symptoms include angina, pericarditis, pleurisy, and chest trauma.

Causes The underlying cause is unclear. Some believe the pain may be from the chest wall or irritation of an intercostal nerve. Psychological stress is correlated with precordial catch syndrome. The pain is not due to the heart.

Treatment Treatment is typically reassurance, as the pain generally resolves without any specific treatment. Occasionally it goes away after a couple of breaths, but inhaling quickly may worsen pain. The pain is agitated by expansion and contraction of the chest. Taking a deep breath and allowing the rib cage to fully expand can relieve the pain, however it will feel unpleasant initially. At the point of full expansion, it can feel like a rubber band snap in the chest, after which the initial pain subsides. There is no known cure for PCS; however, PCS is not believed to be dangerous or life-threatening. Many see the worst part about PCS to be the fear that this chest pain is an indicator of a heart attack or other more serious conditions. As the condition is not dangerous or life-threatening, there is no reason to take medication, although some people may choose to refrain from some normal activities such as physical exercise, as this can exacerbate the pain, particularly if it occurs during physical activity.

History The syndrome was first described and named in 1893 by Henri Huchard, a French cardiologist, who called it "précordialgie" (from the latin "praecordia" meaning "before the heart"), or "Syndrôme de Huchard" ("Huchard syndrome"). The term "precordial" had entered the French medical lexicon with the 1370 translation of Guy de Chauliac's Chirurgia magna. Previously, the Latin term "praecordia" had been used to refer to the diaphragm, a sense now obsolete. The Huchard syndrome was then studied more deeply by Miller and Texidor, medical practitioners at the Cardiovascular Department and the Department of Medicine at the Michael Reese Hospital in Chicago, in 1955. They reported the condition in 10 patients, one being Miller himself. In 1978, PCS was discussed by Sparrow and Bird who reported 45 with it, and that it was probably more frequent than generally assumed. PCS in American children has been discussed by Pickering in 1981 and by Reynolds in 1989. Gumbiner reviews PCS as a diagnosis in his 2003 article. Incidences of PCS in swimmers with asthma was analyzed in Hayes, et al.'s article in 2016, constituting the most recent English-language article on the syndrome as of May 2023.

See also Side stitch

References

External links

Illustrations

Precordial catch syndrome illustration

Worked examples

Example 1 — a first encounter with Precordial catch syndrome

Start with the simplest possible case. Write down what Precordial catch syndrome 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 Precordial catch syndrome 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 Precordial catch syndrome 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 Precordial catch syndrome

In research
Precordial catch syndrome 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 Precordial catch syndrome 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
Precordial catch syndrome is common in secondary-school and first-year university syllabi. It links to neighbouring topics Pain, Syndromes, so understanding it makes those chapters shorter.
In everyday life
Look for Precordial catch syndrome 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.
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How to study Precordial catch syndrome in 20 minutes

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

Frequently asked questions

What is Precordial catch syndrome in simple terms?

Precordial catch syndrome (PCS) is a non-serious condition in which there are sharp stabbing pains in the chest. These typically get worse with inhaling and occur within a small area.

Why does Precordial catch syndrome 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 Precordial catch syndrome?

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 Precordial catch syndrome.

Tags

  • Pain
  • Syndromes

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