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LA GRAMMATICA DI ENGLISH GRATIS IN VERSIONE MOBILE   INFORMATIVA PRIVACY

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WIKIBOOKS
DISPONIBILI
?????????

ART
- Great Painters
BUSINESS&LAW
- Accounting
- Fundamentals of Law
- Marketing
- Shorthand
CARS
- Concept Cars
GAMES&SPORT
- Videogames
- The World of Sports

COMPUTER TECHNOLOGY
- Blogs
- Free Software
- Google
- My Computer

- PHP Language and Applications
- Wikipedia
- Windows Vista

EDUCATION
- Education
LITERATURE
- Masterpieces of English Literature
LINGUISTICS
- American English

- English Dictionaries
- The English Language

MEDICINE
- Medical Emergencies
- The Theory of Memory
MUSIC&DANCE
- The Beatles
- Dances
- Microphones
- Musical Notation
- Music Instruments
SCIENCE
- Batteries
- Nanotechnology
LIFESTYLE
- Cosmetics
- Diets
- Vegetarianism and Veganism
TRADITIONS
- Christmas Traditions
NATURE
- Animals

- Fruits And Vegetables



ARTICLES IN THE BOOK

  1. Acute abdomen
  2. Acute coronary syndrome
  3. Acute pancreatitis
  4. Acute renal failure
  5. Agonal respiration
  6. Air embolism
  7. Ambulance
  8. Amnesic shellfish poisoning
  9. Anaphylaxis
  10. Angioedema
  11. Aortic dissection
  12. Appendicitis
  13. Artificial respiration
  14. Asphyxia
  15. Asystole
  16. Autonomic dysreflexia
  17. Bacterial meningitis
  18. Barotrauma
  19. Blast injury
  20. Bleeding
  21. Bowel obstruction
  22. Burn
  23. Carbon monoxide poisoning
  24. Cardiac arrest
  25. Cardiac arrhythmia
  26. Cardiac tamponade
  27. Cardiogenic shock
  28. Cardiopulmonary arrest
  29. Cardiopulmonary resuscitation
  30. Catamenial pneumothorax
  31. Cerebral hemorrhage
  32. Chemical burn
  33. Choking
  34. Chronic pancreatitis
  35. Cincinnati Stroke Scale
  36. Clinical depression
  37. Cord prolapse
  38. Decompression sickness
  39. Dental emergency
  40. Diabetic coma
  41. Diabetic ketoacidosis
  42. Distributive shock
  43. Drowning
  44. Drug overdose
  45. Eclampsia
  46. Ectopic pregnancy
  47. Electric shock
  48. Emergency medical services
  49. Emergency medical technician
  50. Emergency medicine
  51. Emergency room
  52. Emergency telephone number
  53. Epiglottitis
  54. Epilepsia partialis continua
  55. Frostbite
  56. Gastrointestinal perforation
  57. Gynecologic hemorrhage
  58. Heat syncope
  59. HELLP syndrome
  60. Hereditary pancreatitis
  61. Hospital
  62. Hydrocephalus
  63. Hypercapnia
  64. Hyperemesis gravidarum
  65. Hyperkalemia
  66. Hypertensive emergency
  67. Hyperthermia
  68. Hypoglycemia
  69. Hypothermia
  70. Hypovolemia
  71. Internal bleeding
  72. Ketoacidosis
  73. Lactic acidosis
  74. Lethal dose
  75. List of medical emergencies
  76. Malaria
  77. Malignant hypertension
  78. Medical emergency
  79. Meningitis
  80. Neuroglycopenia
  81. Neuroleptic malignant syndrome
  82. Nonketotic hyperosmolar coma
  83. Obstetrical hemorrhage
  84. Outdoor Emergency Care
  85. Overwhelming post-splenectomy infection
  86. Paralytic shellfish poisoning
  87. Paramedic
  88. Paraphimosis
  89. Peritonitis
  90. Physical trauma
  91. Placenta accreta
  92. Pneumothorax
  93. Positional asphyxia
  94. Pre-eclampsia
  95. Priapism
  96. Psychotic depression
  97. Respiratory arrest
  98. Respiratory failure
  99. Retinal detachment
  100. Revised Trauma Score
  101. Sepsis
  102. Septic arthritis
  103. Septic shock
  104. Sexual assault
  105. Shock
  106. Simple triage and rapid treatment
  107. Soy allergy
  108. Spinal cord compression
  109. Status epilepticus
  110. Stroke
  111. Temporal arteritis
  112. Testicular torsion
  113. Toxic epidermal necrolysis
  114. Toxidrome
  115. Triage
  116. Triage tag
  117. Upper gastrointestinal bleeding
  118. Uterine rupture
  119. Ventricular fibrillation
  120. Walking wounded
  121. Watershed stroke
  122. Wilderness first aid
  123. Wound

 

 
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    ENGLISHGRATIS.COM è un sito personale di
    Roberto Casiraghi e Crystal Jones
    email: robertocasiraghi at iol punto it

    Roberto Casiraghi           
    INFORMATIVA SULLA PRIVACY              Crystal Jones


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THE BOOK OF MEDICAL EMERGENCIES
This article is from:
http://en.wikipedia.org/wiki/Priapism

All text is available under the terms of the GNU Free Documentation License: http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License 

Priapism

From Wikipedia, the free encyclopedia

 

Priapism (Greek πριαπισμός, erection) is a painful and potentially harmful medical condition in which the erect penis does not return to its flaccid state (despite the absence of both physical and psychological stimulation) within four hours.

Priapism is a medical emergency and needs proper treatment by a qualified medical practitioner.

Causes

The causative mechanisms are poorly understood but involve complex neurological and vascular factors. Priapism may be associated with haematological disorders, especially sickle-cell disease, and other conditions such as leukaemia, thalassemia, and Fabry's disease, and neurologic disorders such as spinal cord lesions and spinal cord trauma (priapism has been reported in hanging victims).
Priapism can be caused by medications. Most common medications to cause priapism are intracavernous injections for treatment of erectile dysfunction (papaverine, alprostadil). Other groups reported are antihypertensives, antipsychotics (e.g chlorpromazine, clozapine), antidepressants (most notably trazodone), anticoagulants, and recreational drugs (alcohol and cocaine). Phosphodiesterase type-5 (PDE5) inhibitors such as sildenafil (popularly Viagra), tadalafil and vardenafil have very rarely been implicated, and probably do not cause priapism.

Complications

Potential complications include ischaemia, clotting of the blood retained in the penis (thrombosis), and damage to the blood vessels of the penis which may result in an impaired erectile function or impotence. In serious cases the condition may result in gangrene, which may necessitate penis removal.

Treatment

Medical advice should be sought immediately for cases of erection beyond four hours. Generally, this is done at an emergency department. The therapy at this stage is to aspirate blood from the corpus cavernosum under local anaesthetic. If this is still insufficient, then intra-cavernosal injections of phenylephrine are administered. This should only be performed by a trained urologist, with the patient under constant hemodynamic monitoring, as phenylephrine can cause severe hypertension, bradycardia, tachycardia, and arrythmia. If aspiration fails and tumescence re-occurs, surgical shunts are next attempted. These attempt to reverse the priapic state by shunting blood from the rigid corpora cavernosa into the corpus spongiosum (which contains the glans and the urethra). Distal shunts are the first step, followed by more proximal shunts.

Distal shunts, such as the Winter's, involves puncturing the glans (the distal part of the penis) into one of the cavernosa, where the old, stagnant blood is held. This causes the blood to leave the penis and return to the circulation. This procedure can be performed by a urologist at the bedside.

Proximal shunts, such as the Quackel's, are more involved and entail operative dissection in the perineum to where the corpora meet the spongiosum, making an incision in both, and suturing both openings together.

Miscellaneous

The name comes from the god Priapus, referring to that god's most notable attribute: ironically and pertinently one version of the Priapus myth has Priapus punished by the gods for attempting to rape a goddess by being given a huge but useless set of wooden genitals. The female counterpart of this condition is known as clitorism.[citation needed]

References

  • Beers MH, Berkow R (Eds.) (1999). The Merck Manual of Diagnosis and Therapy (17 ed.). Whitehouse Station: Merck Research Laboratories. ISBN 0-911910-10-7
  • Therapeutic Guidelines Limited (2001). Therapeutic Guidelines: Endocrinology (2 ed.). North Melbourne: Therapeutic Guidelines Limited. ISSN 1327-9505
  • Montague DK, Jarow J, Broderick GA et al: American Urological Association guideline on the management of priapism. Journal of Urology 2003 Oct;170(4 Pt 1):1318-24. PMID 14501756
  • Guidelines on managmenet of priapism - American Urological Association website
  • Priapism Primer: Priapism
Retrieved from "http://en.wikipedia.org/wiki/Priapism"