Nursing care
Chest Physiotherapy: the nurse's role, start to finish
Written and reviewed by Dana Whitfield, RN, MSN · 5 min read · Updated September 2026
Short answer
Chest physiotherapy loosens and mobilises retained secretions using percussion, vibration and postural drainage. Perform it before meals, never after, to avoid vomiting and aspiration, and never percuss over the spine, sternum, kidneys or any fracture or surgical site. Time it before suctioning or expectoration for best effect.
What the procedure achieves
Chest physiotherapy mobilises secretions that a patient cannot clear alone. Cupped-hand percussion and mechanical vibration loosen mucus stuck to bronchial walls; postural drainage then uses gravity to move it toward larger airways where coughing or suctioning can remove it. It is used for cystic fibrosis, bronchiectasis, atelectasis, and patients on prolonged bed rest or ventilation who cannot mobilise their own secretions.
The technique only works if secretions are actually there to move. It will not resolve bronchospasm, pneumonia's underlying infection, or a mucus plug already impacted in a small airway. Nurses order it as an adjunct alongside bronchodilators, hydration and antibiotics, not as a replacement for any of them, and reassess whether it is still indicated as the patient's sputum volume changes.
Pre-procedure nursing responsibilities
Schedule the session at least one hour before meals, or one to two hours after, since the head-down and jostling positions provoke reflux and vomiting on a full stomach. Never perform percussion or drainage immediately after eating. Auscultate the chest first to identify which lobes are congested, because positioning is lobe-specific and a generic position wastes the session.
Check for contraindications before starting: recent rib fracture, unstable spine, active haemoptysis, raised intracranial pressure, or a chest tube near the treatment site. Premedicate with a prescribed bronchodilator if ordered, since it opens airways ahead of the mechanical work. Explain the sequence to the patient, including that coughing during and after the session is expected and useful, not a sign something is wrong.
Equipment and positioning
Position the patient so the segment to be drained is uppermost, using pillows, a tilt table, or the head of the bed, following a standard postural drainage chart matched to the affected lobe. Cup the hand and strike the chest wall rhythmically over the target lobe for three to five minutes, never directly over the spine, sternum, kidneys, breast tissue in a female patient, or any surgical incision. A mechanical vibrator or your flattened hand can substitute for percussion in a patient who cannot tolerate cupping.
Vibration is applied only during exhalation: place flat hands or the device over the segment and apply gentle oscillating pressure as the patient breathes out, five to seven times per position. Move through each affected segment in turn rather than treating the whole chest at once. Keep sessions to ten to fifteen minutes per position to avoid exhausting a patient who is already working hard to breathe.
Complications and early signs
Watch for desaturation during head-down positioning, particularly in patients with raised intracranial pressure or severe COPD, since the position itself can worsen dyspnoea. Stop immediately if the patient becomes cyanotic, tachycardic beyond their baseline, or reports chest pain. Bruising over percussion sites suggests technique is too forceful or the patient has a bleeding tendency worth reporting.
Vomiting or regurgitation during the procedure means the timing rule around meals was not followed, or gastric emptying is slower than expected; stop, sit the patient upright, and suction the airway if needed. Rib fracture is rare but possible in osteoporotic or elderly patients, so any localised pain that outlasts the session warrants an assessment rather than being dismissed as procedure soreness.
Post-procedure care
Return the patient to a comfortable, upright or semi-Fowler's position and encourage a strong cough or huff to clear mobilised secretions; suction if the patient cannot expectorate independently. Auscultate again to confirm whether the treated segment has cleared and document the colour, consistency and volume of sputum produced, since this is the measure of whether the session worked.
Offer oral hygiene, since thick or foul-tasting secretions are unpleasant and mouth care improves the patient's willingness to cough effectively next time. Monitor oxygen saturation for fifteen to thirty minutes afterward, particularly if the patient desaturated during positioning, and document the response so the next session's frequency and target segments can be adjusted.
What to teach before discharge
Teach the patient or carer the meal-timing rule explicitly: physiotherapy before food, never straight after, and to wait at least an hour post-meal before any home session. Show them the hand position for percussion and where not to strike, since a well-meaning family member percussing over the spine or kidneys at home causes real harm.
If the patient is going home with a chronic condition like bronchiectasis or cystic fibrosis, arrange for a respiratory physiotherapist to demonstrate and supervise technique before discharge rather than relying on verbal instruction alone. Teach the warning signs that mean stop and call for help: blood-streaked sputum increasing in volume, breathlessness that does not settle, or chest pain.
The next step on this is the same as on everything else here: answer questions and read the rationales. Our respiratory practice questions are the closest set to what this page covers.
Common questions
Can chest physiotherapy be done right after a meal?
No. It should be performed at least one hour before eating or one to two hours after. Head-down positioning and chest jostling on a full stomach increase the risk of reflux, vomiting and aspiration.
Where should percussion never be performed?
Never over the spine, sternum, kidneys, breast tissue, or a surgical incision. These areas either overlie organs vulnerable to blunt force or are too fragile for repeated percussion.
How is chest physiotherapy tested on the NCLEX?
Expect questions on correct timing relative to meals, safe versus unsafe hand placement, and recognising when to stop, such as new chest pain or desaturation. Prioritisation questions often ask which action the nurse takes first when a complication appears mid-session.
What is the difference between percussion and vibration?
Percussion uses rhythmic cupped-hand strikes to mechanically loosen thick secretions and can be done throughout the breathing cycle. Vibration uses gentle oscillating pressure applied only during exhalation, and is gentler, so it is often used when percussion is contraindicated or poorly tolerated.
Who should not receive chest physiotherapy?
Patients with unstable rib fractures, active or significant haemoptysis, uncontrolled raised intracranial pressure, or recent spinal injury generally should not receive it without specific medical clearance. Discuss borderline cases with the physiotherapy or medical team rather than proceeding on protocol alone.