PEP devices

Function: Combines positive expiratory pressure (PEP) with oscillations.
- Mechanism: Patient exhales through the device, creating resistance, which along with vibrations, loosens mucus.
Green vs Blue:
- Green: Designed for patients with stronger flows (≥15 L/min).
- Blue: Designed for patients with weaker flows (<15 L/min).
Uses: Effective in managing conditions like Chronic Obstructive Pulmonary Disease (COPD), cystic fibrosis (CF), asthma, bronchiectasis, and atelectasis.

Function: An oscillating PEP device that produces pressure pulses during exhalation.
Uses: Primarily for COPD, bronchiectasis, and CF. Reduces cough frequency and improves exercise tolerance.
Extra: Can be paired with nebulizer therapy for simultaneous medication delivery.

Function: An inflatable vest that delivers rapid chest vibrations via an air-pulse generator.
Uses: Useful for CF, bronchiectasis, neuromuscular disorders, and COPD.
Benefit: Provides automated airway clearance, particularly beneficial for patients unable to perform active clearance techniques.

Function: A mask or mouthpiece that provides expiratory resistance (10–20 cm H₂O).
Uses: Applicable for COPD, CF, asthma, and bronchiectasis.
Extra: Can be combined with nebulization (dual therapy) and mimics pursed-lip breathing.

Function: A handheld device that delivers positive airway pressure during exhalation.
Uses: Helps with airway clearance in COPD, CF, and bronchiectasis.
Extra: Marketed as a portable, easy-to-use oscillatory PEP device.

Function: Provides adjustable resistance for expiratory pressure training and facilitates airway clearance.
Uses: Suitable for CF, COPD, and asthma.
Extra: Aids in strengthening expiratory muscles while mobilizing mucus.

Function: Utilizes compressed gas flow (oxygen or air) to generate positive airway pressure.
Uses: Prevents atelectasis and enhances lung expansion post-operatively.
Extra: Often used in hospitals for patients requiring lung recruitment without mechanical ventilation.

Function: A spring-loaded valve that provides constant expiratory resistance independent of flow.
Uses: Applicable for CF, COPD, and bronchiectasis.
Extra: Ideal for patients with variable effort; ensures consistent resistance.

Function: A simple resistor-based PEP device.
Uses: Effective for CF, COPD, asthma, and bronchiectasis.
Extra: Noted for its lightweight, portable design, making it easy for home use.

Function: A steel ball oscillates in a cone-shaped chamber during exhalation, combining PEP with oscillations.
Uses: Utilized for CF, COPD, and bronchiectasis.
Extra: Recognized as one of the earliest oscillatory PEP devices; requires specific positioning for optimal results.

Device	Mechanism	Best For	Key Features
Acapella (Green/Blue)	PEP + oscillations	COPD, CF, asthma	Green = high flow, Blue = low flow
Aerobika	Oscillating PEP	COPD, CF, bronchiectasis	Can pair with nebulizer
Therapy Vest (HFCWO)	Chest wall vibrations	CF, bronchiectasis, neuromuscular	Automated, full-chest clearance
Resistex / PEP Mask	Mask-based PEP	COPD, CF, asthma	Dual therapy with nebulizer
D R Burton PAP	Oscillatory PEP	COPD, CF	Portable, handheld
AccuPEP	Adjustable resistance	CF, COPD, asthma	Strengthens expiratory muscles
EZPAP	Flow-generated PAP	Atelectasis prevention	Hospital use, lung recruitment
Threshold PEP	Spring-loaded valve	CF, COPD	Constant resistance, independent of flow
TheraPEP	Simple resistor PEP	CF, COPD, asthma	Lightweight, portable
Flutter	Ball oscillation + PEP	CF, COPD	Classic oscillatory device

Oscillatory Devices: (e.g., Acapella, Aerobika, Flutter, D R Burton PAP) are the most effective for mucus mobilization.
Simple Resistor Devices: (e.g., TheraPEP, Threshold PEP, Resistex) offer reliable airway clearance and are easy to use at home.
Flow-Driven Devices: (e.g., EZPAP) are primarily used in hospitals for preventing atelectasis.
High-Frequency Chest Wall Oscillation Vests: are ideal for providing full-body automated clearance, particularly for severe or non-ambulatory patients.

Consideration for formatting individual devices into 5×7 bedside reference cards for standardized resource collection alongside pharmacology cards for practical clinical use.