Infection Flashcards

1
Q

What is an Infection?

A

When a pathogen enters in the body, proliferation and causes a reaction

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2
Q

What are symptoms of an infection

A
  1. Malaise, aches, pain
  2. Inflammation, swelling and pus.
    Serious
  3. Confusion in elderly, 2.Worsening renal function
  4. Breathing difficulties.
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3
Q

What are the infection clinical biomarkers

A

Increased CRP, ESR, Glucose, Temperature and Respiratory Rate.
Decrease in blood pressure

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4
Q

What antibiotics cause Colitis (C.diff)

A

Clindamycin
Broad Spectrum - Amoxicillin, Ampicillin and 3th and 4th gen Cephalosporins, Quinolones

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5
Q

What are narrow spectrum antibiotics

A

Nitrofurantoin
Clindamycin
Metronidazole
Benzypenicillin
Phenoxymethylpenicillin
Linezolid

(Used when a pathogen is known - less resistance)

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6
Q

What are broad spectrum antibiotics

A

Aminoglycosides
Tetracyclines
Amoxicillin and Ampicillin
Quinolones
Chloramphenicol

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7
Q

What are examples of notifiable disease

A

Anthrax
Botulism
Brucellosis
Cholera
COVID-19
Diarrhoea (infectious bloody)
Diphtheria
Encephalitis (acute)
Food poisoning
Haemolytic uraemic syndrome (HUS)
Haemorrhagic fever (viral)
Hepatitis (acute infectious)
Legionnaires’ disease
Leprosy

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8
Q

what are examples of notifiable diseases (2)

A

Malaria
Measles
Meningitis (acute)
Meningococcal septicaemia
Mpox (monkeypox)
Mumps
Paratyphoid fever
Plague
Poliomyelitis (acute)
Rabies
Rubella
Severe acute respiratory syndrome (SARS)
Scarlet fever
Smallpox
Streptococcal disease (Group A, invasive)
Tetanus
Tuberculosis
Typhoid fever
Typhus
Whooping cough
Yellow fever

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9
Q

what are the antimicrobial priniciples

A
  • do not treat viral infections with antibacterials or Self-limiting
  • take sample and culture
  • know the organism as narrow-spectrum antibiotics are preferred
  • dose chosen should consider liver, kidney, weight and severity of infection
  • route depends on severity of infection IV = Serious infection or ORAL n/a. IM = Avoid in Children
  • duration of therapy
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10
Q

What is an important counselling for patient using antibiotics?

A

Complete the Course

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11
Q

When should patients seek medical help?

A
  1. Symptoms worsen rapidly or do not improve
  2. Systemically very unwell
    3.Problems with treatment
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12
Q

How do you chose the right antibiotic

A
  1. Patient needs
  2. Bacteria involved
  3. Resistance
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13
Q

What are the patient needs with antibiotics?

A

Penicillin Allergy - cross sensitive to Cephalosporins and beta-lactams
- Offer Macrolide or Metronidazole in dental infections

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14
Q

Which antibiotics are avoided in children

A
  1. Tetracyclines (Not under 12
  2. Quinolones
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15
Q

What do you consider in elderly patients

A
  1. Renal and Liver impairment
  2. Drug Interactions
  3. increased susceptibility to C.diff
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16
Q

What are antibiotic choices in renal impairment

A

AVOID - Tetracyclines except minocycline/doxycycline which are caution
Nitrofuratoin >45ml/min

17
Q

What medicines are nephrotoxic?

A

Aminoglycosides and Glycopeptides

18
Q

what antibiotics are hepatoxic

A

Tetracyclines and Rifampicin

19
Q

What medicines are cautioned in liver impairment

A

Flucloxacillin and Co-amoxiclav cause cholestatic jaundice

metronidazole dose reduce if significant impairment

20
Q

What medicines are avoided in pregnancy

A

Tetracyclines, Trimethoprim (First Trimester) Nitrofurantoin at term (3rd trimester causes Nausea)
Metronidazole
Quinolones - Arthropathy
Chloramphenicol
Aminoglycosides (IV especially)
Sulfonamides

21
Q

What antibiotics are safe in pregnancy

A

Penicillin and Cephalosporins

22
Q
A