This animation describes tools and tests used to diagnose inflammatory bowel disease (IBD), determine IBD type, and predict its probable course and outcome.

Any independent vertical movement of the transducer or the patient will affect the hydrostatic column of this fluid-filled system and thus alter the pressure measurements. At some time before or after PAC insertion, the system must therefore be zeroed to ambient air pressure. The reference point for this is the midpoint of the left atrium (LA), estimated as the fourth intercostal space in the midaxillary line with the patient in the supine position. With the transducer at this height, the membrane is exposed to atmospheric pressure, and the monitor is then adjusted to zero. Calibration Once zeroed, the monitoring system must be calibrated for accuracy. Currently, most monitors perform an automated electronic calibration. Two methods are used to manually calibrate and check the system. If the catheter has not been inserted, the distal tip of the PAC is raised to a specified height above the LA. For example, raising the tip 20 cm above the LA should produce a reading of approximately 15 mm Hg if the system is working properly (1 mm Hg equals 1.36 cm H 2 O). Alternatively, pressure can be applied externally to the transducer and adjusted to a known level using a mercury or aneroid manometer. The monitor then is adjusted to read this pressure, and the system is calibrated. Dynamic tuning Central pressures are dynamic waveforms (ie, they vary from systole to diastole) and thus have a periodic frequency. To monitor these pressures accurately, the system requires an appropriate frequency response. A poorly responsive system produces inaccurate pressure readings, and differentiating waveforms (eg, PA from pulmonary capillary wedge pressure [PCWP]) can become difficult. When signal energy is lost, the pressure waveform is dampened. Common causes of this are air bubbles (which are compressible), long or compliant tubing, vessel wall impingement, intracatheter debris, transducer malfunction, and loose connections in the tubing. A qualitative test of the frequency response is performed by flicking the catheter and observing a brisk high-frequency response in the waveform. After insertion, the system can be checked by using the rapid flush test. When flushed, an appropriately responsive system shows an initial horizontal straight line with a high-pressure reading. Once the flushing is terminated, the pressure drops immediately, which is represented by a vertical line that plunges below the baseline. A brief and well-defined oscillation occurs, followed by return of the PA waveform. A dampened system will not overshoot or oscillate, and causes a delay in returning to the PA waveform.

This 3D medical animation shows several methods of breast tissue biopsy procedures including:
- Needle biopsy,
- Stereotactic core biopsy
- Ultrasound-guided core biopsy - - Surgical biopsy

An excerpt from the award-winning documentary “Exposure: Environmental Links to Breast Cancer” about the effects of radiation. Featuring Olivia Newton-John, Dr. Rosalie Bertell and Dr. Susan Love.

A normal vaginal epithelial cell is clear, with recognizable contents, and sharp, distinct cell borders.

Watch that video of The Most Invasive Parasites in the World

Intestinal malrotation is a developmental anomaly that occasionally causes an unusual array of symptoms in adults. The delay in diagnosis that is common in patients with malrotation frequently results in a ruptured appendix. Appendicitis should be considered when characteristic signs and symptoms are present, even if the location of abdominal pain is atypical.

Ventouse delivery

Watch that Full Human Body Medical Autopsy

A check up at the Ear Nose & Throat doctor to make sure Genie's Opera singing vocal chords are working properly.

Nosebleeds are common due to the location of the nose on the face, and the large amount of blood vessels in the nose. The most common causes of nosebleeds are drying of the nasal membranes and nose picking (digital trauma), which can be prevented with proper lubrication of the nasal passages and not picking the nose.

The shoulder joint is formed where the humerus (upper arm bone) fits into the scapula (shoulder blade), like a ball and socket. Other important bones in the shoulder include: The acromion is a bony projection off the scapula. The clavicle (collarbone) meets the acromion in the acromioclavicular joint.

Dr. Mohan Rao, Senior General & Laparoscopic consultant at Apollo Spectra Hospitals, MRC Nagar explains How can one self-examination of Hernia be done

This Is What The SHAPE OF YOUR BUTT Has To Say About Your Health. AMAZING!!

Watch that video to know How to get Pregnant Fast

it's the video of the OR during a dynamic reconstruction of the achilles tendon by a composite anterolateral perforator flap

Learn about Cord Blood to help you make the right decision for you and your family. Whether you're planning for today or for tomorrow, there are many different ways you can plan for your family.

Body Restoration Physiotherapy has successfully been serving the area of St. Albert and Edmonton for over 23 years. They offer services such as; vestibular rehabilitation, physiotherapy, registered massage therapy, acupuncture, radial shockwave therapy, and IMS therapy. Many individuals come to Body Restoration when in need of any physical therapy services.

Tracheostomy

Explained (Balloon Sinuplasty and Endoscopic Sinus Surgery)