Academic Subject ICU Protocols

Post-CABG Day-2 Left Basilar Atelectasis with Sternotomy Precautions

Topic Summary & Background: A 59-year-old diabetic male Day 2 post-triple vessel CABG extubated onto 2L nasal prongs. SpO2 91%, shallow breathing rate 26/min. Auscultation reveals coarse crackles with decreased air entry in left lower zone.

Key Discussion Questions:

Is high-pressure manual chest clapping safe with fresh median sternotomy wires?
How does Active Cycle of Breathing Techniques (ACBT) with sternal pillow support compare with incentive spirometry?
Criteria for initiating progressive bed-to-chair dangling and early hallway ambulation?

Standard Clinical Consensus: Standard Clinical Consensus: Direct chest clapping over or adjacent to median sternotomy is contraindicated in acute phase. ACBT utilizing thoracic expansion exercises (TEE) with a 3-second inspiratory hold and self-splinted huffing (pillow hug) promotes collateral ventilation through Channels of Martin and Pores of Kohn without increasing sternal shear force.

Post-CABG Day-2 Left Basilar Atelectasis with Sternotomy Precautions

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