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The 12-lead ECG is a vital tool for EMT’s and paramedics in both the prehospital and hospital setting. It is extremely important to know the exact placement of each electrode on the patient. Incorrect placement can lead to a false diagnosis of infarction or negative changes on the ECG.
A surgeon begins the PPH stapled hemorrhoidectomy by inserting a circular anal dilator and obturator into the anal canal and then securing the dilator in place with four sutures. The surgeon then inserts a PPH anoscope into the obturator. Next, he places a circumferential purse-string suture of 2-0 Monocryl on a UR-6 needle 4 cm proximal to the dentate line. The surgeon opens a PPH stapler and places its anvil across the purse string. The stapler is then closed and fired; it is held closed for two minutes to improve hemostasis. Prior to firing the stapler in a female patient, the surgeon places a gloved finger in the vagina to ensure the vaginal mucosa and rectal-vaginal septum are not trapped within the jaws of the closed stapler. The surgeon then opens and removes the stapler.
Barrett's esophagus is a complication of chronic (long lasting) and usually severe gastrointestinal reflux disease (GERD), but occurs in only a small percentage of patients with GERD. Criteria are needed for screening patients with GERD for Barrett's esophagus. Until validated criteria are available, it seems reasonable to do screening endoscopies in GERD patients who cannot be taken off acid suppression therapy after two to three years. The diagnosis of Barrett's esophagus rests upon seeing (at endoscopy) a pink esophageal lining that extends a short distance (usually less than 2.5 inches) up the esophagus from the gastroesophageal junction and finding intestinal type cells (goblet cells) on biopsy of the lining. There is a small but definite increased risk of cancer of the esophagus (adenocarcinoma) in patients with Barrett's esophagus.
#anatomy #histology #bytesizemed
✨If you would like my help studying about cartilage, you can check out my long-form video linked at the bottom of the screen.
💫 For more videos like this, subscribe to my channel, Byte Size Med.
📚Factual References & for Further Reading:
- DiFiore's Atlas of Histology
- Junqueira's Basic Histology
- Gartner's Concise Histology
- Openstax Anatomy and Physiology
https://openstax.org/details/b....ooks/anatomy-and-phy
- Openstax Biology
https://openstax.org/details/books/biology-2e
(The last two are links to open-source references. They are NOT affiliate links)
🌤 Note:
These are just a collection of my notes. So use them the way you would use borrowed notes from a friend. 📝
The images in this video are hand-drawn for illustration and explanation only.✍️ Hence, they may not be anatomically accurate. I am just one person making these videos. If there are any errors, that is unintentional. I try super hard to avoid them. Please let me know if you find any, so it gets clarified for other viewers. Science constantly evolves and changes. New discoveries are made everyday. So some of the information in these videos may become outdated. If you notice that, please let me know so I can update them.
⚡️Disclaimer:
These videos are NOT a substitute for a medical textbook. Textbooks are written by experts (which I do not claim to be), edited, proofread and referenced. Please use them.
The information has been sourced from multiple references as mentioned above. I draw all the pictures myself. But if I have inadvertently infringed on any copyright, that is completely unintentional. I only make these videos to impart education. If I have accidentally violated copyright in any way, do let me know so I can make the necessary changes or give credit to anyone who is owed the same.
These videos are NOT intended for patient education. They are NOT a substitute for diagnosis and treatment by a licensed medical professional. Always seek the advice of a qualified health care provider for any questions you may have regarding any medical condition, so that they can address your individual needs.
🔅They are ONLY meant to help students of medicine and health sciences with studying, and should be used for just that purpose and absolutely nothing else.
Byte Size Med. All Rights Reserved.
When Does Implantation Occur in Pregnancy? || Common gynaecological problems in women There are a lot of things going on in early pregnancy. The first thing that you need to understand is the menstrual cycle. A good understanding of this can help you understand how the other parts play into the process. A huge part of the menstrual cycle that is the basis of pregnancy is ovulation. Ovulation typically occurs fourteen days prior to the beginning of menstruation, the point when the uterine lining is sloughed off if no pregnancy has occurred.
A spinal tumor is a growth that develops within your spinal canal or within the bones of your spine. It may be cancerous or noncancerous. Tumors that affect the bones of the spine (vertebrae) are known as vertebral tumors. Tumors that begin within the spinal cord itself are called spinal cord tumors. There are two main types of tumors that may affect the spinal cord: Intramedullary tumors begin in the cells within the spinal cord itself, such as astrocytomas or ependymomas. Extramedullary tumors develop within the supporting network of cells around the spinal cord. Although they don't begin within the spinal cord itself, these types of tumors may affect spinal cord function by causing spinal cord compression and other problems. Examples of extramedullary tumors that can affect the spinal cord include schwannomas, meningiomas and neurofibromas.
https://www.O2Labz.com - Tummy tuck procedure animation.
Diabetic neuropathy is a type of nerve damage that can occur if you have diabetes. High blood sugar (glucose) can injure nerve fibers throughout your body, but diabetic neuropathy most often damages nerves in your legs and feet. Depending on the affected nerves, symptoms of diabetic neuropathy can range from pain and numbness in your extremities to problems with your digestive system, urinary tract, blood vessels and heart. For some people, these symptoms are mild; for others, diabetic neuropathy can be painful, disabling and even fatal. Diabetic neuropathy is a common serious complication of diabetes. Yet you can often prevent diabetic neuropathy or slow its progress with tight blood sugar control and a healthy lifestyle.
While in residency, Marc Pelletier, MD, helped in a bypass surgery and knew it was the field in which he would excel. Watch as the Chief of Cardiac Surgery for University Hospitals Harrington Heart & Vascular Institute in Cleveland, Ohio explains, in detail, what happens in preparation for heart surgery, in the operating room and the feeling he experiences after surgery.
How does a heart-lung machine work? What is 'efficiency of motion'? These questions and more are answered in this compelling, dramatic look at heart surgery.
To learn more about heart surgery at University Hospitals: https://www.uhhospitals.org/fo....r-clinicians/special
University Hospitals is one of the nation’s leading health care systems, providing patient-centered care that meets the highest standards for quality and patient safety and have received numerous awards and recognitions from some of the most prestigious institutions in the country for our leadership and exceptional patient outcomes. As an accountable care organization, we foster long-term patient-provider relationships that help promote preventive care, increase wellness and healthy behaviors, decrease emergency episodes, and prevent hospitalizations. To learn more: https://www.uhhospitals.org