Ultrasound
Ultrasound is a medical imaging technique that utilizes high-frequency sound waves to visualize the body's internal soft tissues and organs.
How Does it Work?
Uses of Ultrasound
Thereputic Ultrasound
How to Prepare?
Is it Safe?
How Does It work?
Uses Of Ultrasound
Vascular Ultrasound
Obstetric
Musculo- skeletal
Echocardiogram
Surgery
Abdominal imaging
Thereputic Ultrasound
How To Prepare
Clothing - It is best to wear a seperate top and bottoms so that it is easy to access torso rather than having to undress, if going for an abdominal scan.
"Full Bladder" - For some pelvic scans or first pregnancy scans a full bladder is required to push gas filled intestines away to get a better image. May be recomended to drink aproximatley 1 liter of water 1 hour before scan.
Fasting - For abdominal scans it is sometimes required to fast for 6-8 hours before to reduce the amount of gas in the digestive tract, which could disrupt the ultrasound waves.
Safety - It is improtant to tell your clinician if you have a latex allergy as for internal exams latex inserts are often used. It is also impotant to note that you are allowed to request a chaperone to accompany you for the procedure
How Safe?
Safe
"Full Bladder" - For some pelvic scans or first pregnancy scans a full bladder is required to push gas filled intestines away to get a better image. May be recomended to drink aproximatley 1 liter of water 1 hour before scan.
"Full Bladder" - For some pelvic scans or first pregnancy scans a full bladder is required to push gas filled intestines away to get a better image. May be recomended to drink aproximatley 1 liter of water 1 hour before scan.
Inside
Once inside, the sound waves travel until they hit a boundary between different types of tissue—such as the transition from a fluid-filled gallbladder to a solid liver. At these boundaries, some of the sound continues forward, while a portion is reflected back to the probe as an echo. The density of the object determines the "bounce".
Lorem ipsum dolor
No Ionizing radiation
Consectetur adipiscing elit
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod.
No Ionizing radiation - Unlike x-rays ultrasounds are not a source of radiation instead they simply use high frequency sound waves, therefore no increased cancer risk or radiation posining
- Lorem ipsum dolor sit amet.
- Consectetur adipiscing elit.
- Sed do eiusmod tempor incididunt ut.
Lorem ipsum dolor sit
Proven Track Record
Because ultrasounds have been routinely used for decades, we have plenty of evidence to confirm that they are a safe and effective choice.
Fast
Immediate results allow urgent treatment to be quickly started potentially saving your life. For example Abdominal Aortic Anurism where mortality rate increases by 1% percent per minute lost, the speed of ultrasound has been proven to greatly increase chance of survival, by 20-60%, as the diagnosis and investigation can be done incredibly quickly (less than 5 minutes).
Monitoring fetal growth and development
Doctors look at the heart's valves, the thickness of its walls, and how well it pumps blood.
Gel
The gel act as a "coupling medium" allowing the signal to enter the body.Without the conductive gel, even a microscopic pocket of air between the probe and your skin would cause the sound waves to scatter or reflect, never entering the body.
Used during surgery to guide the surgeon e.g where to cut or if fluid drainign required.
This technology focuses sound waves to a tiny point to generate heat. It is used to "cook" and destroy uterine fibroids or certain types of prostate cancer tumors. It is minimally invasive with a probe being inserted into the body without incisions.
HIFU: High-Intensity Focused Ultrasound
Non-invasive
Typically carried out with a probe on the surface of your skin so no needles or insesions and no anesthetics required. This means there is also no revovery time required.
It is the primary tool for finding gallstones, checking for kidney stones, or investigating liver disease.
By using the Doppler effect, doctors can measure the speed and direction of blood flow to find dangerous clots (DVT) or narrowed arteries.
Physical Therapy
Low-power ultrasound is used to stimulate blood flow and speed up the healing of soft tissue injuries like tendonitis.
Doctors use this to diagnose sports injuries like torn rotator cuffs, sprained ankles, or tennis elbow in real-time. Because ultrasound is a live image, a physician can actually ask you to move your limb while they watch the screen to see exactly where a tendon is catching or a muscle is bunching.
Lithotripsy
Lithotripsy uses high-energy shock waves to vibrate and shatter kidney stones into tiny grains that can be passed through urine. Targeted on kidney stones however can cause temporary bruising to the kidney or even long term scaring but the risks are considered low.
Image Generation
The probe then picks up the returning sound waves. The computer measures how long the echo takes to bounce back. A quick return means the organ is close to the surface; a delayed return means it’s deeper inside, the intensity of returning waves show density of material. By doing this thousands of times per second, the computer maps out these echoes to draw a live, moving "sound-picture" on the screen.
Ultrasound
Daniel Graham
Created on January 23, 2026
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Transcript
Ultrasound
Ultrasound is a medical imaging technique that utilizes high-frequency sound waves to visualize the body's internal soft tissues and organs.
How Does it Work?
Uses of Ultrasound
Thereputic Ultrasound
How to Prepare?
Is it Safe?
How Does It work?
Uses Of Ultrasound
Vascular Ultrasound
Obstetric
Musculo- skeletal
Echocardiogram
Surgery
Abdominal imaging
Thereputic Ultrasound
How To Prepare
Clothing - It is best to wear a seperate top and bottoms so that it is easy to access torso rather than having to undress, if going for an abdominal scan.
"Full Bladder" - For some pelvic scans or first pregnancy scans a full bladder is required to push gas filled intestines away to get a better image. May be recomended to drink aproximatley 1 liter of water 1 hour before scan.
Fasting - For abdominal scans it is sometimes required to fast for 6-8 hours before to reduce the amount of gas in the digestive tract, which could disrupt the ultrasound waves.
Safety - It is improtant to tell your clinician if you have a latex allergy as for internal exams latex inserts are often used. It is also impotant to note that you are allowed to request a chaperone to accompany you for the procedure
How Safe?
Safe
"Full Bladder" - For some pelvic scans or first pregnancy scans a full bladder is required to push gas filled intestines away to get a better image. May be recomended to drink aproximatley 1 liter of water 1 hour before scan.
"Full Bladder" - For some pelvic scans or first pregnancy scans a full bladder is required to push gas filled intestines away to get a better image. May be recomended to drink aproximatley 1 liter of water 1 hour before scan.
Inside
Once inside, the sound waves travel until they hit a boundary between different types of tissue—such as the transition from a fluid-filled gallbladder to a solid liver. At these boundaries, some of the sound continues forward, while a portion is reflected back to the probe as an echo. The density of the object determines the "bounce".
Lorem ipsum dolor
No Ionizing radiation
Consectetur adipiscing elit
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod.
No Ionizing radiation - Unlike x-rays ultrasounds are not a source of radiation instead they simply use high frequency sound waves, therefore no increased cancer risk or radiation posining
Lorem ipsum dolor sit
Proven Track Record
Because ultrasounds have been routinely used for decades, we have plenty of evidence to confirm that they are a safe and effective choice.
Fast
Immediate results allow urgent treatment to be quickly started potentially saving your life. For example Abdominal Aortic Anurism where mortality rate increases by 1% percent per minute lost, the speed of ultrasound has been proven to greatly increase chance of survival, by 20-60%, as the diagnosis and investigation can be done incredibly quickly (less than 5 minutes).
Monitoring fetal growth and development
Doctors look at the heart's valves, the thickness of its walls, and how well it pumps blood.
Gel
The gel act as a "coupling medium" allowing the signal to enter the body.Without the conductive gel, even a microscopic pocket of air between the probe and your skin would cause the sound waves to scatter or reflect, never entering the body.
Used during surgery to guide the surgeon e.g where to cut or if fluid drainign required.
This technology focuses sound waves to a tiny point to generate heat. It is used to "cook" and destroy uterine fibroids or certain types of prostate cancer tumors. It is minimally invasive with a probe being inserted into the body without incisions.
HIFU: High-Intensity Focused Ultrasound
Non-invasive
Typically carried out with a probe on the surface of your skin so no needles or insesions and no anesthetics required. This means there is also no revovery time required.
It is the primary tool for finding gallstones, checking for kidney stones, or investigating liver disease.
By using the Doppler effect, doctors can measure the speed and direction of blood flow to find dangerous clots (DVT) or narrowed arteries.
Physical Therapy
Low-power ultrasound is used to stimulate blood flow and speed up the healing of soft tissue injuries like tendonitis.
Doctors use this to diagnose sports injuries like torn rotator cuffs, sprained ankles, or tennis elbow in real-time. Because ultrasound is a live image, a physician can actually ask you to move your limb while they watch the screen to see exactly where a tendon is catching or a muscle is bunching.
Lithotripsy
Lithotripsy uses high-energy shock waves to vibrate and shatter kidney stones into tiny grains that can be passed through urine. Targeted on kidney stones however can cause temporary bruising to the kidney or even long term scaring but the risks are considered low.
Image Generation
The probe then picks up the returning sound waves. The computer measures how long the echo takes to bounce back. A quick return means the organ is close to the surface; a delayed return means it’s deeper inside, the intensity of returning waves show density of material. By doing this thousands of times per second, the computer maps out these echoes to draw a live, moving "sound-picture" on the screen.