S12 L1 Tobacco Dependence Flashcards

1
Q

How would you treat a PE if the patient was becoming hypotensive?

A
  • Body cannot dissolve the clot quick enough so give streptokinase or tissue plasminogen activator
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2
Q

When does wheezing occur and why?

A
  • Expiration as there is more resistance on expiration
  • Due to narrowing of airways so high pitched whistling sound
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3
Q

What is consolidation and why are bronchial breath sounds heard when you auscultate over an area of consolidation?

A
  • When air from the airways is replaced by something else
  • As the consolidation conducts sounds from larger airways so heard louder
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4
Q

Why is there creptius over the wound, why does he have a low blood pressure and how would you manage this patient?

A
  • Fracture of the rib
  • Increased pressure in the right side so reduced venous return as SVC compression and mechanical shock
  • Insert cannula into 2nd ICS mid clavicular line
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5
Q

What are some lung conditions that cause mediastinal shift to the same side?

A
  • Lobar collapse
  • Pulmonary fibrosis
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6
Q

How many deaths a year are from smoking?

A

If you are a smoker, chances of dying from a tobacco related disease are 1 in 2

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7
Q

Why is knowing about the prevalence of smoking important?

A
  • 14 in 100 smoke
  • Tobacco related disease is the single biggest cause of preventable morbidity and mortality
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8
Q

What are some tobacco related diseases?

A
  • Risk of CVS disease
  • More likely to get influenxa
  • Risk of sudden infant death
  • Lung cancer
  • Stroke
  • AAA
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9
Q

What are the markers of addiction?

A
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10
Q

How does nicotine cause an addiction on a chemical level?

A
  • Acts on nAchR to stimulate dopamine release so satisfaction
  • Chronic nicotine exposure causes AChR to be upregulated, increasing affinity and sensitivity to an agonist
  • Drop in nicotine leads to withdrawals
  • Takes 6-12 weeks fo rreceptors to desensitise after last cigarette
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11
Q

What is the speed of nicotine delivery?

A

Seconds

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12
Q

What approach should a doctor initially take to try and stop somebody from smoking?

A

Health professional have big impact on a person’s decision and low NNT (number needed to treat to prevent one death) so good

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13
Q

What are some pharmacological treatments for a tobacco addiction?

A
  • Long acting patches
  • Short acting gum, lozenges, spray
  • Champix for 4-12 weeks
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14
Q

What is a harm reduction approach to curing a tobacco addiction?

A
  • E-Cigarettes
  • Contain nicotine but not tobacco so still addiction but less harm from tobacco
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15
Q

What are the arguments for and against the use of e-cigarettes as a harm reduction strategy for tobacco addiction?

A
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