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10 Cards in this Set
- Front
- Back
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What are the contraindications to LA?
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-Serious illness (haemophilia)
-Allergies -Infection at site of injection -Length of procedure - Cooperation - age, mentally and physically |
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What are the causes of failure for LA?
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- Incorrect technique
- Insufficient dose - Inflammation or infection at site of injection -Patient paint tolerance - Local anatomy |
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What are the 2 types of complications for LA?
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1) local complications
2) systemic complications |
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What are some of the local complications of LA?
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-pain ( due to glow rate and pressure of LA, temp of solution, PH of solution (is lower)
-swelling - trismus - needle fracture - Infection at site of injection neurological - facial nerve paralysis |
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What are the systemic complications LA?
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-LA toxic effects/ overdose
- Adrenaline - Allergies Fainting |
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What are the signs and symptoms of the VASOCONSTRICTOR effects of LA on the CNS (central Nervous System)
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- Anxiety
- Nervousness - Dizziness - Throbbing headache - Tremors - Restlessness |
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What are the signs and symptoms of the VASOCONSTRICTOR effects of LA on the CVS (cardiovascular system)
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- Increased BP and HR. therefore palor in colour on the peripheries
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which effects are seen first;
vasoconstrictor or local anaesthetic effects? |
vasoconstrictor effects are seen first and then the LA effects will been seen and can be serious
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What are the signs and symptoms of the Local anaesthetic effects of LA on the CNS ?
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- Nervousness
- Dizziness - Tremors - Blurred vision - Convulsions - Drowsiness - Unconsciousness |
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What are the signs and symptoms of the Local anaesthetic effects of LA on the CVS ?
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- vasodilation
- hypotension (low BP) - bradycardia (slow HR) -cardiac arrest (death) |
