Six-point scale of for grading the intensity of heart murmur Grade I: basely audible Grade II: usually readily heard Grade loud GradeⅣv: quite loud Grade V: even most pronounced Grade VI: may be heard with the stethoscope removed from the chest wall
• Six-point scale of for grading the intensity of heart murmur – Grade Ⅰ: basely audible – Grade Ⅱ: usually readily heard – Grade Ⅲ: loud – Grade Ⅳ: quite loud – Grade Ⅴ: even most pronounced – Grade Ⅵ: may be heard with the stethoscope removed from the chest wall
PCG Crescendo type Decrescendo type Crescendo-decrescendo type Continuous R egular
• PCG – Crescendo type – Decrescendo type – Crescendo-decrescendo type – Continuous – Regular
n几 Sa 心脏各类杂音小意图 .增型b.递减型c.递增递减型d连续型c.贯型
Physiological maneuver 1)Change the body position Left recumbent MS Sitting, leaning forward: AI Squatting from standing, supine position, raising two legs may increase venous return.SV个CO个 Murmur of ml al个 Murmur of ihssv
• Physiological maneuver 1) Change the body position - Left recumbent: MS - Sitting, leaning forward: AI - Squatting from standing, supine position, raising two legs may increase venous return, SV CO - Murmur of MI, AI - Murmur of IHSS
2) Respiration Deep inspiration: thorax pressure venous returnt, pulmonary circulation clock wise rotation of heart make murmur of Tl. ts pl个 Expiration Valsalva maneuver: thorax pressure venous return, M of IhSST
2) Respiration - Deep inspiration: thorax pressure venous return, pulmonary circulation clockwise rotation of heart make murmur of TI, TS ,PI - Expiration: - Valsalva maneuver: thorax pressure venous return M of IHSS