| acute mediastinitis |
an often fatal inflammation of the mediastinum, with sudden onset of chills, fever, and prostration. Other symptoms are severe chest pain and sometimes tachypnea, tachycardia, pneumomediastinum, and hemomediastinum. It is usually secondary to perforation of the esophagus by forceful vomiting or trauma; less often it may be caused by spread of an infectious process from some adjacent organ or area. ...
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| acute myocardial infarction |
(AMI) that occurring during the period when circulation to a region of the heart is obstructed and necrosis is occurring; it is usually characterized by severe pain, frequently associated with pallor, perspiration, nausea, dyspnea, and dizziness; electrographic abnormalities may include Q wave, ST segment, and T wave alterations.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| acute necrotizing hemorrhagic encephalomyelitis |
a rare, fatal postinfection or allergic demyelinating disease of the central nervous system, having a fulminating course and occurring mainly in young adults. It is characterized by destruction of the white matter to the point of liquefaction; widespread necrosis of blood vessel walls leading to the formation of multiple small hemorrhages in the involved areas and the exudation of fibrin into the surrounding tissue; and cellular infiltration of the necrotic areas. ...
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| acute osteitis |
osteomyelitis, usually of septic origin.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| acute polyradiculoneuritis |
a common type of ascending paralysis in dogs, clinically similar to human acute idiopathic polyneuritis; ventral roots of spinal nerves, and other peripheral nerves, undergo segmental demyelination. It was first seen in hunting dogs that had had fights with raccoons. The exact etiology is unclear. Called also coonhound paralysis.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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