Post on 19-Dec-2015
Getting the most out of your auscultation technique
Dr Luca Ferasin DVM PhD CertVC DipECVIM-CA (Cardiology) MRCVSEuropean and RCVS Specialist in Veterinary Cardiology
HEART AUSCULTATION (Dogs)
Left Base (Aortic & Pulmonic)
Left Apex (Aortic & Pulmonic)
Right Side (Tricuspid)Great Vessels(PDA)
Gallop Sounds
3rd heart sound (S3) Early diastolic (“passive” diastolic filling)
4th sound (S4) Late diastolic ventricular filling (atrium contraction)
1 only audible with the absolute concentration
2 soft, but easily heard
3 moderately loud and easily heard
4 loud but does not produce a palpable thrill
5 loud with a palpable thrill
6 very loud (also heard with stethoscope away from the chest)
Heart MurmurGrading (out of 6)
Turbulence originating through narrowed or irregular valves or outflow tracts
Crescendo- decrescendo (diamond-shaped) character
o Aortic or Pulmonic Stenosis
Heart MurmurSystolic diamond-shaped
do to regurgitation or shunts into chambers at lower resistance
o Mitral or Tricuspid valve insufficiencyo Ventricular Septal Defect
Heart Murmur Systolic Plateau Shape