French Phrase
Fais la RCP si besoin.
Meaning
A direct instruction to perform cardiopulmonary resuscitation (CPR) only when it is required. The phrase is concise and typical of emergency‑room or first‑aid instructions.
When to use
Use this sentence when you are giving a quick, clear command to someone trained in first aid, for example during a medical simulation, a safety briefing, or an actual emergency where you need to tell a colleague to start CPR only if the victim shows signs that it is necessary.
✦Grammar Breakdown
FaislaRCPsibesoin
Imperative of faire
‘Fais’ is the 2nd‑person singular imperative of the verb *faire* (to do). It drops the final –s that appears in the present tense ‘tu fais’.
Definite article with an abbreviation
Even though *RCP* is an abbreviation, it still takes the feminine article *la* because the full term *réanimation cardio‑pulmonaire* is feminine.
Elliptical ‘si besoin’
‘si besoin’ is a shortened way of saying ‘si besoin est’ or ‘si nécessaire’; it works like ‘if needed’ in English.
🗨In Conversation
Le patient ne respire plus, mais il n’y a pas de pouls visible.
The patient isn’t breathing, but there’s no visible pulse.
Fais la RCP si besoin.
Do CPR if needed.
✕Common Mistakes
Fait la RCP si besoin.
‘Fait’ is the past participle; the correct imperative form is ‘Fais’.
Fais le RCP si besoin.
The abbreviation *RCP* is feminine, so the article must be *la*, not *le*.
Fais la RCP si le besoin.
The idiomatic short form is *si besoin*; adding *le* makes it sound clumsy.
↔Alternatives
Effectue la RCP si nécessaire.
Perform CPR if necessary.
Pratique la RCP si besoin.
Practice CPR if needed.
Fais la réanimation cardio‑pulmonaire si nécessaire.
Do cardiopulmonary resuscitation if necessary.
Cultural Tip
In French medical contexts the abbreviation *RCP* is universally understood, but it is still considered formal. The expression *si besoin* is slightly informal; in a strictly professional report you might prefer *si nécessaire* or *si le besoin se fait sentir*. Also, when speaking to a layperson, it’s polite to add a brief explanation of what CPR entails.