Gurnick Academy – Modesto Campus: Donates over 3,000 cans of food to the Salvation Army

Wednesday – December 16th, 2015

That’s right, Gurnick Academy of Medical Art Student’s gathered together to have a friendly food drive competition. The winners receiving a pizza party for their class. The medical assistant group took the prize by¬†collecting and donating roughly 1,100 items for the Salvation Army.

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What is Magnetic Resonance Imaging (MRI)?

Magnetic Resonance Imagine is usually referred to as MRI. MRI devices are large machines which look like large tubes; they have a big magnet in the circular area. The patient is laid down on a table, which then moves into the tube.

MRI devices
MRI devices are large machines which look like large tubes

Extremely powerful radio waves, between 10,000 and 30,000 times stronger than earth’s magnetic field are sent through the body. They force the nuclei of the body’s atoms into a new position. As they move back into their original place they emit radio waves. A scanner gathers these signals, sends them to a computer which turns them into an image on a screen. The images are based on where the incoming signals are coming from and how strong they are.

The human body is made up mostly of water. Water has hydrogen atoms. That is why hydrogen atoms are most commonly used to create an MRI scan. MRI scanners can create pictures of nearly any part of the body. Bones have the least number of hydrogen atoms, so they come out dark in the pictures, while blood or tissue (especially fatty tissue) look much brighter.

The timing of the radiowave pulses may be altered so that more data may be gathered on the different tissues being scanned.

Even parts of the body that are surrounded by bone can be clearly seen with an MRI scan, making it an ideal device for examining the spinal cord and brain.

MRI scans are helpful for finding tumors in the brain, as well as determining whether the cancer has spread beyond its place of origin. Many different studies on the brain can be done with MRI.

The heart and blood vessels show up clearly on MRI scans. Doctors often order these types of scans to determine whether there are any heart defects, as well as helping them work out whether they are new or long-term problems.

What is Ultrasound (Ultrasonography)?

An ultrasound scan is a medical device that utilizes high frequency sound waves to create an imagine (sonogram) of the inside of the human body, such as blood vessels, muscle, joints, the stomach, liver, tendons, or the heart.

Many believe that ultrasound is safer than other forms of imaging because it uses sound waves rather than radiation.

Apart from helping detect problems in certain parts of the body, ultrasonography can also help guide surgeons when they carry out biopsies.

Higher sound frequencies produce better images but cannot penetrate as deeply as lower frequencies.

Ultrasound program
An ultrasound scan is a medical device that utilizes high frequency sound waves to create an imagine (sonogram) of the inside of the human body

Ultrasound travels through fluids and soft tissues and bounces off denser surfaces. For example, when looking at the heart and blood vessels around it, ultrasound will travel through the blood, and bounce back off the heart valve.

The data of ultrasound bouncing back is processed in a computer, which then creates image on a monitor. If the doctor is viewing the gallbladder and there are no gallstone, the ultrasound with travel straight through, but will bounce back when there are stones.

The denser an object is, the harder the ultrasound bounces back. This echo (bouncing back) is what gives the ultrasound images their features – they can be seen on the screen as varying shades of gray.

Anesthetists sometimes use ultrasound for guidance when injecting anesthetics near nerves. Cardiac ultrasound refers to the creation of 2-D images of the heart. Some more modern machines can produce 3-D images.

Ultrasound can also be used to see how fast blood flows, or the state of cardiac tissue at specific points, by using pulses or continuous wave Doppler ultrasound.

What is radiology?

Radiology is a specialty of medicine that uses ionizing and nonionizing radiation for the diagnosis and treatment of disease. Radiology uses technologies, such as X-Ray Radiography, Magnetic Resonance Imaging (MRI), Nuclear Medicine, Ultrasound, Computed Tomography (CT), and Positron Emission Tomography (PET) to see within the human body in order to diagnose disease and abnormalities.

What is the difference between a radiologist and a radiographer?

A specialist in radiology is a radiologist; a doctor who then specializes in radiology. To become a radiologist you must first complete your training at a medical or osteopathic school to become a doctor, and then train for an additional five to six years.

A radiographer, or radiologic technician is a person who performs the radiography imaging scans, such as X-Rays – they then operate the imaging machines. A radiographer is not a doctor, while a radiologist is.

The radiologist looks at the images and interprets them. He/she pinpoints an injury or abnormality, determines what it is and possibly how severe the abnormality is. The radiologist will typically consult with the patient’s doctor when interpreting the results of an imaging scan.

A radiologist is a qualified doctor who then specializes in radiology


What is Fluoroscopy?
This is a type of medical imaging that displays a continuous X-Ray image on a screen – a bit like an X-Ray movie. It displays the movement of a body part or of an instrument or contrast agent (dye) through the human body.

In this procedure, an X-Ray beam passes through the body, the image is transmitted to a screen so that a specific body part and its motion can be viewed in fine detail.

Fluoroscopy may be used in several different types of examinations and procedures, such as:
– To see movement through the gastrointestinal tract, using Barium X-Rays and enemas
– An angioplasty or angiography procedure, to direct the placement of a catheter
– To be able to see how blood flows through specific organs
– To look at fractures or fracture treatments following orthopedic surgery

What is Interventional Radiology?
This is a rapidly expanding field of medicine. Interventional radiology is minimally invasive, targeted treatments which are performed using imaging guidance. These procedures are often carried out instead of open surgery. They are less risky, involve no large incisions, and are less painful, compared to surgical procedures. Patients who undergo interventional radiologic procedures usually recover faster.

Some interventional procedures, such as angiograms, are done for just diagnostic purposes, while others, for example angioplasty, are treatment procedures.

Somebody who works in this field is called an interventional radiologist. They can diagnose and treat several different types of diseases and disorders, including hepatic interventions, gastrostomy tube placements, inferior vena cava filter placements, renal artery stenosis, and peripheral vascular disease.

The main purpose of using images in interventional radiology is for guidance – the images help the surgeon use his/her instruments accurately and precisely. The main instruments used are needles and catheters.

With the guidance of images, the interventional radiologist can thread the instruments through the body to wherever the disease or injury is located. Interventional radiology involved much less physical trauma to the patient, compared to other procedures.