Overview
Introduction
The ABCDE (Airway, Breathing, Circulation, Disability, Exposure) framework is a systematic approach to rapidly assessing acutely ill or deteriorating patients.
The ABCDE (Airway, Breathing, Circulation, Disability, Exposure) framework is a systematic approach to rapidly assessing acutely ill or deteriorating patients. Each step is assessed sequentially with life-threatening problems addressed immediately before moving on. Airway: check patency (speaking = patent), look for obstruction, listen for stridor or gurgling, intervene with positioning, suctioning, or advanced airway. Breathing: respiratory rate, depth, pattern, chest symmetry, SpO2, accessory muscle use, tracheal position, auscultation. Circulation: heart rate, BP, capillary refill (> 3 seconds = poor perfusion), skin color/temperature/moisture, ECG rhythm, urine output. Disability: AVPU (Alert, Voice, Pain, Unresponsive) or GCS, pupil assessment, blood glucose, lateralizing signs. Exposure: full body examination while preventing hypothermia. On the exam, writers often pair stable-sounding options with unstable data—notice the mismatch before you commit. If the stem names a license or role, reread that line; scope errors are classic trap answers even when the clinical topic is familiar. Run a 60-second scan: breathing work and oxygenation, perfusion and end organs, neuro baseline, likely infection sources, and devices that can fail quietly. When two answers feel partly right, pick the one that...
