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ECHO/ DOPPLER CARDIOGRAPHY

ECHO/ DOPPLER CARDIOGRAPHY. A diagnostic Study that reveals information about: The structure and function of the heart Cardiac hemodynamics of the heart. THEORY AND TECHNIQUE OF THE STUDY. Utilizes the Application of Ultasonic waves being reflected back on hitting a structure

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ECHO/ DOPPLER CARDIOGRAPHY

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  1. ECHO/ DOPPLER CARDIOGRAPHY • A diagnostic Study that reveals information about: The structure and function of the heart Cardiac hemodynamics of the heart

  2. THEORY AND TECHNIQUE OF THE STUDY Utilizes the Application of Ultasonic waves being reflected back on hitting a structure This is done utilizing a transducer that both sends out the beam and then receives it back The transducer can have one crystal or multiple crystals

  3. THEORY AND TECHNIQUE CONT’D: • Utilizing the technique of doppler with ultrasound allows the ability to quantitate the direction and velocity of objects

  4. APPLICATION OF THE TECHNIQUE: • M mode echo • 2 DIMENSIONAL ECHO: • Tran thoracic Echo- transducer directly on the chest wall • Transesophageal Echo- probe placed into the esophagus and stomach • Stress echocardiography- Tran thoracic echo at rest and post stress or exercise

  5. APPLICATION OF THE TECHNIQUE: • Doppler can be viewed as: • Continuous wave- continuous transmission of signal with 2nd transducer available to receive the signal • Pulsed Doppler- same probe transmits, waits an the receives • Color flow- vectors directions given colors, usually blue if flow is away from transducer and red if goes toward the transducer.

  6. THIS TECHNIQUE ALLOWS THE EVALUATION OF: Cardiac Chambers- size and motion or function The thickness of the walls of the heart Abnormal Objects in the heart: tumors or masses Valvular structure (size and shape) Valvular function (thickness, stenosis, or leakage) Blood flow- hemodynamics Other pathologies- fluid: pericardial effusion

  7. THIS TECHNIQUE ALLOWS THE EVALUATION OF: Other objects- vegetations etc. Mechanical valves Pacemaker wires

  8. ABNORMAL IMAGES LEFT VENTRICULAR FUNCTION

  9. VALVULAR DISEASE AORTIC VALVE

  10. MITRAL VALVE

  11. CARDIOMYOPATHY

  12. PACEMAKER WIRE

  13. STRESS ECHOCARDIOGRAPHY

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