Presentation is loading. Please wait.

Presentation is loading. Please wait.

Presents Sonomicrometry: basic principles

Published byRonald Rawlinson Modified over 10 years ago

Similar presentations

Presentation on theme: "Presents Sonomicrometry: basic principles"— Presentation transcript:

1 Presents Sonomicrometry: basic principles

2 Basic Principles Theory of Operation
Construction of a crystal Types of crystals available Signals: direction and function Calculation of distance Sample Application – Ventricular Volume Crystal placement Representative data

3 Construction of a crystal
Theory of Operation Construction of a crystal Epoxy covers the head Head diameter: - 2mm - 1mm - 0.7 mm Wire : copper

4 Theory of Operation Construction of a crystal Epoxy covers the head
Head diameter: - 2mm - 1mm - 0.7 mm Wire : Stainless steel

5 Theory of Operation Construction of a crystal Epoxy covers the head
Head diameter: - 2mm - 1mm - 0.7 mm Wire covered by Silastic tubing for chronic studies

6 Theory of Operation Piezo electric transducers: transmitter Receiver
Crystal #1 sends a sound wave …crystal #2 receives signal transmitter Receiver

7 Theory of Operation Piezo electric transducers: transceiver: Receiver
Crystal #1 sends a sound wave …crystal #2 receives signal Receiver Transmitter Crystal #2 sends a sound wave …crystal #1 receives signal

8 Theory of Operation Piezo electric transducers: transceiver: Receiver
Time of flight  distance = v * T v = 1540 m/sec Receiver transmitter Distance = 1.5 mm Time of flight 1 sec

9 Time of flight  distance = v * T
Theory of Operation Piezo electric transducers: transceiver: Time of flight  distance = v * T v = 1540 m/sec Receiver transmitter Distance = 3 mm Time of flight 2 sec

10 Time of flight  distance = v * T
Theory of Operation Piezo electric transducers: transceiver: Time of flight  distance = v * T v = 1540 m/sec Receiver transmitter Distance = 4.5 mm Time of flight 3 sec

11 Time of flight  distance = v * T
Theory of Operation Piezo electric transducers: transceiver: Time of flight  distance = v * T v = 1540 m/sec Receiver transmitter Distance = mm Time of flight 4 sec

12 Time of flight  distance = v * T
Theory of Operation Piezo electric transducers: transceiver: Time of flight  distance = v * T v = 1540 m/sec Receiver transmitter Distance = 7.5 mm Time of flight 5 sec

13 Time of flight  distance = v * T
Theory of Operation Piezo electric transducers: transceiver: Time of flight  distance = v * T v = 1540 m/sec Receiver transmitter Distance = 9 mm Time of flight 6 sec

14 Time of flight  distance = v * T
Theory of Operation Piezo electric transducers: transceiver: Time of flight  distance = v * T v = 1540 m/sec Receiver transmitter Distance = 9.5 mm Time of flight 7 sec

15 Time of flight  distance = v * T
Theory of Operation Piezo electric transducers: transceiver: Time of flight  distance = v * T v = 1540 m/sec Receiver transmitter Distance = 11 mm Time of flight 8 sec

16 Time of flight  distance = v * T
Theory of Operation Piezo electric transducers: transceiver: Time of flight  distance = v * T v = 1540 m/sec Receiver transmitter Distance = mm mm Time of flight 9 sec

17 Time of flight  distance = v * T
Theory of Operation Piezo electric transducers: transceiver: Time of flight  distance = v * T v = 1540 m/sec Receiver transmitter Distance = 14 mm Time of flight 10 sec

18 Time of flight  distance = v * T
Theory of Operation Piezo electric transducers: transceiver: Time of flight  distance = v * T v = 1540 m/sec Receiver transmitter Distance = 15.5 mm Time of flight 11 sec

19 Time of flight  distance = v * T
Theory of Operation Piezo electric transducers: transceiver: Time of flight  distance = v * T v = 1540 m/sec Receiver transmitter Distance = 17.5 mm Time of flight 12 sec

20 Time of flight  distance = v * T
Theory of Operation Piezo electric transducers: transceiver: Time of flight  distance = v * T v = 1540 m/sec Receiver transmitter Distance = mm Time of flight 12 sec

21 Theory of Operation Ultrasonic pulses propagate in all directions No crystal alignment required 1 Ability to network with all others in array 2 6 5 3 4

22 Sample Application – Ventricular Volume
Left ventricle base posterior anterior wall thickness segment shortening apex

23 Sample Application – Ventricular Volume
base septum anterior septal LV RV posterior free wall anterior free wall posterior apex

24 Sample Application – Ventricular Volume
Left ventricle Volume ED base ES Wall thickness posterior anterior Distance (mm) Wall thickness Segment shortening 15 apex 10 Time

25 Sample Application – Ventricular Volume t
Left ventricle Volume ED base ES Wall thickness posterior anterior Distance (mm) wall thickness segment shortening 15 10 apex

26 Sample Application – Ventricular Volume
Left ventricle Volume ED base ES Wall thickness posterior anterior Distance (mm) wall thickness segment shortening 15 10 apex Time

27 Sample Application – Ventricular Volume
Left ventricle Volume ED base ES Wall thickness posterior anterior Distance (mm) wall thickness segment shortening 15 10 apex Time

28 Sample Application – Ventricular Volume
Left ventricle Volume Volume ED base ES Wall thickness Wall thickness posterior anterior Distance (mm) Distance (mm) wall thickness segment shortening 15 15 10 10 apex Time Time

29 Sample Application – Ventricular Volume
Left ventricle Volume Volume ED base ES Wall thickness Wall thickness posterior anterior Distance (mm) Distance (mm) wall thickness segment shortening 15 15 15 10 10 10 apex Time Time

30 Sample Application – Ventricular Volume
Left ventricle Volume Volume ED base ES Wall thickness Wall thickness posterior anterior Distance (mm) Distance (mm) Wall thickness Segment shortening 15 apex 10 Time Time

31 Sample Application – Ventricular Volume
Left ventricle Volume Volume ED base ES Wall thickness Wall thickness posterior anterior Distance (mm) Distance (mm) wall thickness segment shortening 15 15 15 10 10 10 apex Time Time

32 Sample Application – Ventricular Volume
Left ventricle Volume Volume ED base ES Wall thickness Wall thickness posterior anterior Distance (mm) Distance (mm) wall thickness segment shortening 15 15 10 10 apex Time Time

33 Sample Application – Ventricular Volume
Left ventricle Volume Volume ED base ES Wall thickness Wall thickness posterior anterior Distance (mm) Distance (mm) wall thickness segment shortening 15 15 10 10 apex Time Time

34 Sample Application – Ventricular Volume
Left ventricle Volume Volume ED base ES Wall thickness Wall thickness posterior anterior Distance (mm) Distance (mm) wall thickness segment shortening 15 15 10 10 apex Time Time

35 Sample Application – Ventricular Volume
Left ventricle Volume Volume ED base ES Wall thickness Wall thickness posterior anterior Distance (mm) Distance (mm) wall thickness segment shortening 15 15 10 10 apex Time Time

36 Sample Application – Ventricular Volume
Left ventricle Volume Volume ED base ES Wall thickness Wall thickness posterior anterior Distance (mm) Distance (mm) Wall thickness Segment shortening 15 15 15 apex 10 10 Time Time

Download ppt "Presents Sonomicrometry: basic principles"

Similar presentations

TWO STEP EQUATIONS 1. SOLVE FOR X 2. DO THE ADDITION STEP FIRST

TWO STEP EQUATIONS 1. SOLVE FOR X 2. DO THE ADDITION STEP FIRST
Slide 1 Insert your own content. Slide 2 Insert your own content.

Slide 1 Insert your own content. Slide 2 Insert your own content.
Supplemental Web Fig. 1 Wild type, grown on 100 mm plate SLAS27 medium, day 1.

Supplemental Web Fig. 1 Wild type, grown on 100 mm plate SLAS27 medium, day 1.
By D. Fisher Geometric Transformations. Reflection, Rotation, or Translation 1.

By D. Fisher Geometric Transformations. Reflection, Rotation, or Translation 1.
Combining Like Terms. Only combine terms that are exactly the same!! Whats the same mean? –If numbers have a variable, then you can combine only ones.

Combining Like Terms. Only combine terms that are exactly the same!! Whats the same mean? –If numbers have a variable, then you can combine only ones.
Chapters 1 & 2 Theorem & Postulate Review Answers

Chapters 1 & 2 Theorem & Postulate Review Answers
15.082 and 6.855J Cycle Canceling Algorithm. 2 A minimum cost flow problem 1 24 35 10, $4 20, $1 20, $2 25, $2 25, $5 20, $6 30, $7 25 0 0 0-25.

and 6.855J Cycle Canceling Algorithm. 2 A minimum cost flow problem , $4 20, $1 20, $2 25, $2 25, $5 20, $6 30, $
Jeopardy Q 1 Q 6 Q 11 Q 16 Q 21 Q 2 Q 7 Q 12 Q 17 Q 22 Q 3 Q 8 Q 13

Jeopardy Q 1 Q 6 Q 11 Q 16 Q 21 Q 2 Q 7 Q 12 Q 17 Q 22 Q 3 Q 8 Q 13
Jeopardy Q 1 Q 6 Q 11 Q 16 Q 21 Q 2 Q 7 Q 12 Q 17 Q 22 Q 3 Q 8 Q 13

Jeopardy Q 1 Q 6 Q 11 Q 16 Q 21 Q 2 Q 7 Q 12 Q 17 Q 22 Q 3 Q 8 Q 13
Coordinate Plane Practice The following presentation provides practice in two skillsThe following presentation provides practice in two skills –Graphing.

Coordinate Plane Practice The following presentation provides practice in two skillsThe following presentation provides practice in two skills –Graphing.
0 - 0.

0 - 0.
ALGEBRAIC EXPRESSIONS

ALGEBRAIC EXPRESSIONS
DIVIDING INTEGERS 1. IF THE SIGNS ARE THE SAME THE ANSWER IS POSITIVE 2. IF THE SIGNS ARE DIFFERENT THE ANSWER IS NEGATIVE.

DIVIDING INTEGERS 1. IF THE SIGNS ARE THE SAME THE ANSWER IS POSITIVE 2. IF THE SIGNS ARE DIFFERENT THE ANSWER IS NEGATIVE.
MULTIPLYING MONOMIALS TIMES POLYNOMIALS (DISTRIBUTIVE PROPERTY)

MULTIPLYING MONOMIALS TIMES POLYNOMIALS (DISTRIBUTIVE PROPERTY)
ADDING INTEGERS 1. POS. + POS. = POS. 2. NEG. + NEG. = NEG. 3. POS. + NEG. OR NEG. + POS. SUBTRACT TAKE SIGN OF BIGGER ABSOLUTE VALUE.

ADDING INTEGERS 1. POS. + POS. = POS. 2. NEG. + NEG. = NEG. 3. POS. + NEG. OR NEG. + POS. SUBTRACT TAKE SIGN OF BIGGER ABSOLUTE VALUE.
SUBTRACTING INTEGERS 1. CHANGE THE SUBTRACTION SIGN TO ADDITION

SUBTRACTING INTEGERS 1. CHANGE THE SUBTRACTION SIGN TO ADDITION
MULT. INTEGERS 1. IF THE SIGNS ARE THE SAME THE ANSWER IS POSITIVE 2. IF THE SIGNS ARE DIFFERENT THE ANSWER IS NEGATIVE.

MULT. INTEGERS 1. IF THE SIGNS ARE THE SAME THE ANSWER IS POSITIVE 2. IF THE SIGNS ARE DIFFERENT THE ANSWER IS NEGATIVE.
Teacher Name Class / Subject Date A:B: Write an answer here #1 Write your question Here C:D: Write an answer here.

Teacher Name Class / Subject Date A:B: Write an answer here #1 Write your question Here C:D: Write an answer here.
Addition Facts 1 - 20.

Addition Facts
School Shop. Welcome to my shop. You have 10p How much change will you get? 7p 3p change.

School Shop. Welcome to my shop. You have 10p How much change will you get? 7p 3p change.

Similar presentations

Ads by Google