Systolic Murmur Grading

Question 1

What is the grade based on?

Answer 1

Intensity

Question 2

What is an innocent murmur and what should be done?

Answer 2

A 6-8 month large breed pup
Low intensity with no symptoms
Usually grown out of by 4-5 months

Question 3

What is the description of a Grade 1 murmur?

Answer 3

Very soft murmur heard only after careful auscultation

Question 4

What is the description of a Grade 2 murmur?

Answer 4

Readily heard soft murmur localised over 1 area

Question 5

What is the description of a Grade 3 murmur?

Answer 5

Readily heard moderately intense murmur radiating to another valve area

Question 6

What is the description of a Grade 4 murmur?

Answer 6

Loud murmur without a precordial thrill, usually radiates to both sides of the chest

Question 7

What is the description of a Grade 5 murmur?

Answer 7

Loud murmur with a precordial thrill

Question 8

What is the description of a Grade 6 murmur?

Answer 8

Loud murmur with a precordial thrill and audible with the stethoscope off the chest wall