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20 Cards in this Set
- Front
- Back
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Define Raynaud Phenomenon.
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"Paroxysmal Pallor or Cyanosis of the Digits of the Hands or Feet and, infrequently the tips of the nose or ears (acral parts) owing to cold-induced vasoconstriction of the digital arteries,precapillary arterioles and cutaneous AV shunts"
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Location Of Raynaud's Phenomenon
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Acral Parts (peiphery)
Digits of the Hands Digits of the Feet Tip of the nose Tip of the ears |
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/';].;'raynaud's phenomenon./'['];
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PAROXYSMAL PAROXYSMAL
PAROXYSMAL PAROXYSMAL PAROXYSMAL PAROXYSMAL PAROXYSMAL PAROXYSMAL PAROXYSMAL PAROXYSMAL |
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cAUSE oF rAYNAUD pHWENOMENON
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1-Cold --->> Vasoconstriction
2-Emotion |
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Vessels involved in Raynaud's Disease ?????
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1- Digital Arteries
2-Precap Arterioles 3-Cutaneous AV shunts |
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Sequence Of Colour Change in rAYNAUD pHWENOMENON???
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white --> blue --> red
CHARACTERISTIC |
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sTRUCTURAL cHANGES IN aRTERIES in rAYNAUD pHWENOMENON??
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Absent -->>
excepr later --->> INTIMAL THICKENING |
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prevalence of rAYNAUD pHWENOMENON???
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3-5%
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Median Age of primary rAYNAUD pHWENOMENON?????
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14 years
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Pathogenesis rAYNAUD pHWENOMENON ????
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Exagerration of normal central and local vasomotor responses to cold or emotion
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Role OF Genetics rAYNAUD pHWENOMENON???
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25% pts .... family history ..in 1st degree relative
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is rAYNAUD pHWENOMENON benign or malignant???
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benign ... but if long --> can cause
1- atrophy of skin 2- atrophy of SC tissue 3- atrophy of Muscles 4- ulceration 5-ischemic gangrene |
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complications rAYNAUD pHWENOMENON????
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1- atrophy of skin
2- atrophy of SC tissue 3- atrophy of Muscles 4- ulceration 5-ischemic gangrene |
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types?
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primary
secondaryyyy |
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Primary rAYNAUD pHWENOMENON..
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UNCOMPLICATED
UNCOMPLICATED UNCOMPLICATED UNCOMPLICATED UNCOMPLICATED UNCOMPLICATED |
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sECONDARYY rAYNAUD pHWENOMENON...??
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SLE
SCLERODERMA ATHEROSCLEROSIS BUERGER DISEASE |
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SCLERODERMAN other name ??
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systemic sclerosis
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sec RP may be the ----- manifestation of SLE,scleoderma,atherosclerosis,buerger disease .
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FIRST
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whenever a pt comes 2 u wirh RP, rule out any systemic disease causing it....True/False
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true
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Features of secondary RP... not found in primary RP
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age > 30
more severe episodes associated skin lesions C/F of CT disease |
