II. Epidemiology
- Common murmur in age 2-5 years
III. Physiology
- Not a true murmur
- Represents noisy Jugular Vein flow
IV. Signs
- Continuous murmur with diastolic prominence
- Low frequency
- Intensity: Grade I to II of VI murmur
- Quality: Whining, roaring, or whirring
- Best heard in right infraclavicular area, low anterior neck lateral to sternocleidomastoid Muscle with patient seated
- Temporarily resolves with maneuvers
- Jugular Vein compression on affected side
- Supine position
- Turning head to affected side
V. Differential Diagnosis
- Patent Ductus Arteriosis (PDA)
- AV Fistula
VI. Course
VII. Resources
- Cervical Venous Hum (USMLE Clinic, YouTube)