II. History
- First described by Dr. George Still (1909)
III. Epidemiology
- Common in children ages 2 to 8 years old
IV. Signs
- Low to medium frequency, mid-Systolic Murmur
- Intensity: Grade II-III of VI (variable)
- Location: near apex to lower left sternal border
- Character
- Low to medium pitch
- Vibratory, harmonic, musical, twanging, groaning
- Provocative conditions and positions (increased murmur)
V. Differential Diagnosis
- Ventricular Septal Defect
- Left ventricular outflow obstruction
- Hypertrophic Cardiomyopathy
VI. Course
- Innocent murmur
