Heart Sounds

Loud First heart Sound

Mitral Stenosis

Short P- R Interval

Hyperdynamic Circulatory States like those given below

Exercise

Anaemia

Fever

Thyrotoxicosis

Paget’s disease

Pregnancy

Soft first heart sound

Mitral Regurgitation

Long P- R Interval

Myocarditis

Myocardial Infarction

Severe Aortic Regurgitation

Left Bundle Branch Block

Obesity

Emphysema

Pericardial Effusion

Abnormalities in Splitting of Second heart Sound

Wide mobile Split

Right Bundle Branch Block

Pulmonary Stenosis

Pulmonary Embolism

Ventricular Septal Defect

Mitral Regurgitation

Idiopathic dilatation of pulmonary artery

Wide fixed split

Atrial Septal Defect

Severe Right sided Heart failure

Reversed split
( paradoxical split)

Left Bundle Branch Block

Hypertrophic Cardiomyopathy

Ischemic Heart disesase

Severe aortic stenosis

Patent ductus arteriosus

Wolf- Parkinson- white syndrome ( type B)

Single second heart sound

Severe AS ( absent or markedly attentuated A2)

Severe PS ( absent or markedly attentuated P2)

Tetralogy of Fallot