SEMIO TRIGGER CH4

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45 Terms

1
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COLD PROVOQUE →

VASOCONSTRICTION

2
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VASOCONSTRICTION ENTRAINE →

BLOOD SUPPLY ↓ + OXYGEN DELIVERY ↓ → ISCHEMIA

3
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SI ISCHÉMIE PROLONGÉE →

NÉCROSE

4
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SI ISCHÉMIE TRÈS ÉTENDUE ?

GANGRENE

5
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COLD LOCAL DIRECT EFFECT

FROSTBITE

6
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COLD LOCAL INDIRECT EFFECT

RAYNAUD PHENOMENON

7
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COLD SYSTEMIC EFFECT

HYPOTHERMIA

8
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SI COLD + LOCAL TISSUE INJURY →

FROSTBITE

9
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SI COLD + DIGITAL COLOR CHANGE

RAYNAUD PHENOMENON

10
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SI BODY TEMPERATURE <35°C →

HYPOTHERMIA

11
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SI → REDNESS + PRICKLING + COLD FEELING

FROSTNIP → 1ER DEGRÉ

12
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SI → FLUID FILLED BLISTER 24-36H AFTER REWARMING

SUPERFICIAL FROSTBITE → 2E DEGRÉ

13
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SI LARGE BLISTERS + TISSU DEVIENT BLACK ET HARD →

DEEP FROSTBITE → NECROSIS

14
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RAYNAUD → PHASE 1 : APPELÉE ? CARACTÉRISÉE PAR ?

PHASE ISCHÉMIQUE + DOIGR DE COULEUR BLANCHE

15
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RAYNAUD → PHASE 2 : CARACTÉRISÉE PAR ?

SANG DÉSOXYGÉNÉ → PEAU DE COULEUR BLEUE

16
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RAYNAUD → PHASE 3 :

VASODILATATION RÉACTIVE → PEAU DE COULEUR ROUGE

17
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PATTERN DE COULEUR RAYNAUD DANS L’ORDRE :

WHITE → BLUE → RED

18
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1ERE PHASE D’HYPOTHERMIE →

TOUT AUGMENTE POUR RÉDUIRE PERTE DE CHALEUR →

HR/RR/BP ↑

19
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2EME PHASE HYPOTHERMIE →

TOUT DIMINUE LE MÉTABOLISME RALENTIT À CAUSE DU FROID → → HR/RR/BP ↓

20
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3EME PHASE HYPOTHERMIE →

ÉTAT MENTAL ALTÉRÉ + ARYTHMIE + POSSIBLE ARRET CARDIAQUE

21
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FROSTBITE PHASE 1 →

ISCHEMIC PHASE CAUSÉE PAR → VASOCONSTRICTION + BLOOD FLOW ↓

→ PEAU BLANCHE

→ CETTE PHASE A POUR BUT DE LIMITER LA PERTE DE CHALEUR

22
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FROSTBITE PHASE 2 →

HYPEREMIC PHASE → REACTIVE INFLAMMATION CAUSE → REWARMING + RAPID VASODILATATION

→ PEAU ROUGE

23
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FROSTBITE PHASE 3 →

PHASE POST-HYPEREMIC → L’ISCHÉMIE PROLONGÉE CAUSE → NECROSE, GANGRENE, MICROVASCULAR THROMBOSIS

24
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MÉDIATEUR INFLAMMATOIRE FROSTBITE →

TNF-a

25
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EFFET GÉNÉRAL HEAT →

RELAXATION SMOOTH MUSCLE + VASODILATATION + BLOOD SUPPLY ↑ + HYPEREMIA

26
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EFFET LOCAL HEAT →

HOT + RED

27
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EFFET SYSTÉMIQUE HEAT →

BP ↓ + POSSIBLE SYNCOPE

28
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TRIGGER SEVERE HEAT →

HEATSTROKE

29
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BURNS 1ST DEGREE →

ONLY ERYTHEMA

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BURNS 2ND DEGREE →

BLISTERS

31
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BURNS 3RD DEGREE →

NECROSIS

32
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EFFET DE HEAT SUR VENOUS RETURN →

VENOUS RETURN ↓ → CAUSÉE PAR CUTANEOUS VASODILATATION

33
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NORMAL HEAT LOSS MECHANISM

SWEATING

34
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TRIGGER HEATSTROKE (2)

T° >40°C + NEUROLOGICAL IMPAIRMENT

35
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TRIGGER HIGH DOSE (x) + SHORT PERIOD

ACUTE RADIATION SYNDROME

36
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TRIGGER LOW DOSE + LONG PERIOD →

CHRONIC DAMAGE

37
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ELECTROCUTION + IMMEDIATE DEATH →

VENTRICULAR FIBRILLATION

38
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TRIGGER PARACETAMOL OVERDOSE (3)

ACUTE LIVER FAILURE + LIVER ENZYME ++ + JAUNDICE

39
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PARACETAMOL ANTIDOTE

NAC

40
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45
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