Tag: Ecg placement

The Angle of Louis, or sternal angle, is a crucial anatomical landmark that aligns with the second rib and is used as the starting point for counting ribs. Accurately knowing how to locate the 5th intercostal space is essential for healthcare professionals and students performing heart and lung assessments and other critical medical procedures.

According to anatomy experts, the sternal angle is the most reliable starting point for counting ribs on the anterior chest, as the first rib is obscured by the clavicle. This simple fact is crucial for anyone needing to know **how to find the 4th intercostal space** for medical procedures or clinical exams.