Ultrasound (US) is a mechanical energy modality that uses high-frequency sound waves (1-3 MHz) to produce _______ and _______ in tissues.
Ultrasound (US) is a mechanical energy modality that uses high-frequency sound waves (1-3 MHz) to produce thermal and non-thermal effects in tissues.
US waves create alternating _______ and _______ in tissues, leading to molecular vibration and resulting in _______.
US waves create alternating compression and rarefaction in tissues, leading to molecular vibration and resulting in micro-massage.
For ultrasound therapy, the frequency of _______ allows for _______ (3-5 cm) while _______ allows for _______ (1-2 cm).
For ultrasound therapy, the frequency of 1 MHz allows for deep penetration (3-5 cm) while 3 MHz allows for superficial penetration (1-2 cm).
The _______ of ultrasound therapy is adjusted based on _______ and _______.
The intensity of ultrasound therapy is adjusted based on tissue type and patient tolerance.
Ultrasound application techniques include: - _______: Requires transmission gel - _______: For irregular surfaces (transducer 3-5 cm away) - _______: Prevents hot spots (4 cm/sec).
Ultrasound application techniques include: - Direct contact: Requires transmission gel - Immersion technique: For irregular surfaces (transducer 3-5 cm away) - Moving transducer: Prevents hot spots (4 cm/sec).
Thermal effects of ultrasound therapy are achieved through _______ while non-thermal effects are achieved through _______.
Thermal effects of ultrasound therapy are achieved through moderate-intensity continuous mode while non-thermal effects are achieved through low-intensity pulsed mode.
Phonophoresis uses ultrasound to enhance _______.
Phonophoresis uses ultrasound to enhance drug absorption.
Non-thermal effects of ultrasound include increased _______, _______, _______, and _______.
Non-thermal effects of ultrasound include increased membrane permeability, blood flow, fibroblastic activity, and tissue regeneration.
Thermal effects of ultrasound therapy include _______, _______, _______, _______, and _______.
Thermal effects of ultrasound therapy include vasodilation, collagen elasticity, pain relief, muscle relaxation, and metabolic activation.
Indications for ultrasound therapy include: - _______ - _______ - _______ - _______ - _______ - _______ - _______.
Indications for ultrasound therapy include: - Joint contractures - Muscle spasm - Scar tissue - Trauma - Arthritis - Low back pain - Sinusitis.
Contraindications for ultrasound therapy include: - _______ - _______ - _______ - _______ - _______ - _______ - _______ - _______ (in growing bones).
Contraindications for ultrasound therapy include: - Pacemakers - Hemorrhage - Menstruation - Pregnancy - Fever - Cancer - Thrombophlebitis - Epiphyseal plates (in growing bones).
Ultrasound (US) is a mechanical energy modality that uses high-frequency sound waves (1-3 MHz) to produce thermal and non-thermal effects in tissues.
US waves create alternating compression and rarefaction in tissues, leading to molecular vibration and resulting in micro-massage.
For ultrasound therapy, the frequency of 1 MHz allows for deep penetration (3-5 cm) while 3 MHz allows for superficial penetration (1-2 cm).
Ultrasound application techniques include: - Direct contact: Requires transmission gel - Immersion technique: For irregular surfaces (transducer 3-5 cm away) - Moving transducer: Prevents hot spots (4 cm/sec).
Thermal effects of ultrasound therapy are achieved through moderate-intensity continuous mode while non-thermal effects are achieved through low-intensity pulsed mode.
Non-thermal effects of ultrasound include increased membrane permeability, blood flow, fibroblastic activity, and tissue regeneration.
Thermal effects of ultrasound therapy include vasodilation, collagen elasticity, pain relief, muscle relaxation, and metabolic activation.
Indications for ultrasound therapy include: - Joint contractures - Muscle spasm - Scar tissue - Trauma - Arthritis - Low back pain - Sinusitis.
Contraindications for ultrasound therapy include: - Pacemakers - Hemorrhage - Menstruation - Pregnancy - Fever - Cancer - Thrombophlebitis - Epiphyseal plates (in growing bones).
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