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Using a knife for self-defense – Do you think you're ready? « Free ...
The first one is a quick swing of the knife hand, turning the blade to impact and penetrate the person's temple. This is a shot directly to the parietal portion of the brain. This usually acts like an off switch, but you never know. ... This will do all kinds of horrible stuff to the guys throat/carotid artery and anything else in the way. The third target is a little harder to get to, but it is the ultimate off switch. Assuming you can get in the right position, ...
Small Vessels, Big Problems — NEJM
These large-vessel subtypes of stroke include atherosclerotic narrowing and occlusion of the large neck vessels, aneurysmal rupture and subarachnoid hemorrhage over the brain surface, and thromboembolic occlusion of the major vessel branches ... The correction of a symptomatic critical stenosis of the internal carotid artery or an expanding aneurysm of the circle of Willis is indeed an important clinical accomplishment, one that dramatically reduces the likelihood of a ...
Transient Ischemic Attacks — NEJM
Autopsy disclosed occlusion of the right internal carotid artery in the neck (see Figure Site of Carotid Occlusion in the 1950 Case.). Transient blindness in one eye (transient monocular blindness) had identified the artery involved in the ... Warning spells, it was found, occurred in association with thrombosis at many arterial sites — internal carotid, middle cerebral, anterior cerebral, posterior cerebral, basilar, vertebral, and the many penetrating arterial branches ...
CAROTID DISEASE
70 CAROTID DISEASE
Rao Gutta M.D., B. Timothy Baxter M.D.
1. What diseases affect the carotid arteries?
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Atherosclerosis is by far the most common (accounting for 90% of lesions in the Western world). The carotid also can be affected by fibromuscular dysplasia, inflammatory arteriopathies (e.g., Takayasu’s arteritis), extrinsic compression (e.g., neoplasm), and trauma.
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Penetrating Neck Trauma
20 PENETRATING NECK TRAUMA
Clay Cothren M.D., Ernest E. Moore M.D.
1. Why are penetrating neck wounds unique?
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Although comprising only a small percentage of body surface area, the neck contains a heavy concentration of vital structures.
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Penetrating Abdominal Trauma. Controversy
CONTROVERSY
14. What is the role of laparoscopy and thoracoscopy after penetrating abdominal trauma?
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Although an intriguing diagnostic modality with additional therapeutic capabilities, laparoscopy thus far appears to have limited application after trauma. With the exception of suspected diaphragmatic injury, an isolated solid organ injury, or evaluation for peritoneal penetration, laparoscopy has yet to demonstrate advantages over the algorithm delineated above. The potential for missed injuries, poor evaluation of the retroperitoneum, and expense are major drawbacks. In patients with wounds to the lower chest with pneumothorax (and, thus, an indication for chest tube placement), thoracoscopy is reasonable to exclude diaphragmatic injury.
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abdominal trauma articles, abernathys trauma secrets pdf download, articles on laparoscopy in penetrating abdominal injury, controversies chest trauma, laparoscopic applications for abdominal trauma injuries pdf, laparoscopy abdominal trauma pdf 2009, pdf penetrating abdominal wounds moore, penetrating abdominal trauma, surgery vidieo, trauma controversy, trauma surgery controversy,Congenital Cysts & Sinuses Of The Neck
88 CONGENITAL CYSTS AND SINUSES OF THE NECK
Frederick M. Karrer M.D., Denis D. Bensard M.D.
1. What are branchial cleft anomalies?
Show answer
Cysts, sinuses, and fistulas that result from incomplete obliteration of the first, second, or third branchial clefts, and are present in early fetal development.
Neck Masses
67 NECK MASSES
Nathan W. Pearlman M.D.
1. What causes lumps in the neck?
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Enlarged lymph nodes, benign or malignant tumors, congenital abnormalities, and normal anatomy.
2. Can neck masses be part of normal anatomy?
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Yes. In some patients, the neck mass is nothing more than a submaxillary gland or omohyoid muscle that has become prominent with aging and loss of surrounding fat. This finding usually is apparent if the other side of the neck is carefully examined.
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Penetrating Thoracic Trauma
22 PENETRATING THORACIC TRAUMA
Jeffrey L. Johnson M.D., Ernest E. Moore M.D.
1. How often do patients with penetrating chest wounds need an operation?
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Surprisingly rarely. Most civilian penetrating injuries are from knives and low-energy handguns. Consequently, although injuries to the chest wall and lung are common, the majority of patients can be treated with tube thoracostomy alone. Formal thoracotomy or median sternotomy is required in < 15% of isolated penetrating chest injuries.
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www answers com trauma diaphragm,Penetrating Abdominal Trauma
24 PENETRATING ABDOMINAL TRAUMA
Clay Cothren M.D., Ernest E. Moore M.D.
1. Why is there a different approach to stab and gunshot wounds?
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Whereas one third of stab wounds to the anterior abdomen do not penetrate the peritoneum, 80% of gunshot wounds violate the peritoneum. Furthermore, penetration of the peritoneum by a bullet is associated with visceral or vascular injuries in > 95% of cases, whereas only one third of stab wounds violating the peritoneal cavity produce significant injury. (See Figure 24-1.)
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Coronary Artery Disease. Controversies
CONTROVERSIES
15. Is there an advantage to surgical revascularization with all arterial conduits?
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The logical extension of the observation that an internal mammary artery has superior patency to a saphenous vein has sparked an interest in total arterial revascularization. Instead of using saphenous veins as bypass conduits, some surgeons also use the right internal mammary artery, the gastroepiploic artery, and the radial artery as bypass conduits instead of vein. Convincing data suggest a survival benefit as well as freedom from angina when the LIM artery is used as a conduit. The data supporting total arterial revascularization are much less clear.
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Coronary Artery Disease
74 CORONARY ARTERY DISEASE
Joseph C. Cleveland Jr., M.D.
1. What is angina, and what causes it?
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Angina pectoris reflects myocardial ischemia. Patients often describe the sensation as pressure, choking, or tightness. Angina is typically produced by an imbalance between myocardial oxygen supply and myocardial oxygen demand. The classic presentation is a man (male-to-female ratio = 4:1) out shoveling snow on a cold night after a big meal after having a fight with his wife.
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Central Venous & Pulmonary Artery Pressure Monitoring
12 CENTRAL VENOUS AND PULMONARY ARTERY PRESSURE MONITORING
Dipin Gupta M.D., Glenn J.R. Whitman M.D., Alden H. Harken M.D.
1. What does a catheter in the central venous circulation measure?
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All intrathoracic veins have nearly the same pressure. A catheter in the central venous circulation (anywhere) measures this central venous pressure (CVP) (or right atrial pressure). CVP, plus a little right atrial “kick,” pushes blood into the right ventricle. This right ventricular “filling pressure” is also termed preload.
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pulmonary artery catheter central venous pressure and saturation, wedging svo2,Queries 5
Abdominal Aortic Controversy
CONTROVERSY
29. What is the role of CEA?
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Although CEA remains the standard of care for carotid artery disease, percutaneous angioplasty with stenting has been investigated as an alternative. The underlying rationale is to decrease morbidity, hospital costs, and anesthetic risks and to improve long-term patency. Reported rates of success, morbidity, and mortality run the gamut from stroke and death rates comparable to CEA (2.4%) to significantly higher neurologic risk (stroke rate, 8.8%) and higher cost. One randomized trial is currently under way in Great Britain, and applications for two other studies are being considered in the United States. Carotid angioplasty has no apparent benefit compared with CEA.
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Noninvasive Vascular Diagnostic Laboratory. Cerebrovascular Disease
CEREBROVASCULAR DISEASE
3. Which noninvasive tests should be used to diagnose extracranial carotid artery disease?
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Duplex ultrasound has a sensitivity of 97% in detecting carotid artery disease and an accuracy of 95% in correctly classifying carotid stenoses as > 50% reduction in diameter. No other noninvasive test has comparable accuracy.
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Noninvasive Vascular Diagnostic Laboratory. Peripheral Arterial Occlusive Disease
PERIPHERAL ARTERIAL OCCLUSIVE DISEASE
11. What is the primary test for diagnosis of lower extremity ischemia?
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The ankle brachial index (ABI) or systolic pressure ratio is normally greater than or equal to 1.0. Typically, Doppler ultrasound is used (instead of a stethoscope) as the flow sensor distal to the pressure cuff, but plethysmographic instruments also may be used. Doppler signals are usually monitored at the posterior tibial artery or dorsalis pedis artery.
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function of vascular diagnostic laboratory,
Abernathy’s Surgical Secrets, Updated Edition (Book w / Student Consult)
Author / s: Harken Alden H., Abernathy Charles, Moore Ernest Eugene
Year: 2004
Pages: 473
Publishers: Elsevier Mosby; 5th Bk & Acc edition
ISBN: 0323034160
