Pharma Lab Flashcards
(22 cards)
Normal blood pressure (BP)?
120/80
Normal heart rate (HR)?
60-100 beats/min
Normal oxygen concentration (SpO2)?
> 95
Normal respiratory rate (RR)?
15 breaths/min
Normal abdominal sound?
Water movement sound
Pupil in presence of light?
Miosis (constricted)
Pupil in absence of light?
Mydriasis (dilated)
What is Lorazepam?
1) Benzodiazepine drug
2) Sedatives, hypnotic and anxiolytic drug
Indication of Lorazepam?
1) Decrease muscle tone and anxiety
2) Causes anterograde amnesia
3) Induce sleep
Side effects of Lorazepam
1) Hypotension
2) Bradycardia
3) Respiratory depression
Why do we use benzodiazepines from barbiturates?
1) Benzodiazepines have less side effects because barbiturates are live enzyme inducers (more drug-drug interaction)
2) No antidote for barbiturates
Antidote for Lorazepam
Flumazenil
Benzodiazepines special characteristics
1) No effect on eyes (miosis or mydriasis)
2) No effect on abdominal sound
1) Respiratory depression, miosis, loss of abdominal sound
2) Hypotension (histamine release -> vasodilation
3) Whizzing (bronchoconstriction)
4) Needle marks (drug abuser)
Opioid overdose
Antidote for opioid overdose
Naloxone (competitive antagonist on opioid receptor)
Organophosphates overdose
1) Pesticide and nerve gas
2) Stimulation of parasympathetic nervous system -> DUMB LESS
D=diarrhea, U=urination, M=miosis, B=bradycardia, L=lacrimation, E=excitation, S=sweating, S=salivation (very obvious)
3) Antidote is atropine (antimuscarinic) -> mydriasis, dry mouth, dry eyes
Toxidrome
Symptoms of drug overdose (miosis, lacrimation, sweating)
Coma cocktail
4 drugs + 1 supply for coma patients:
1) Flumazenil -> for benzodiazepine overdose
2) O2 supply
3) Naloxone -> for opioid overdose
4) Glucose (dextrose) -> for hypoglycemia
5) Thiamine -> for alcohol overdose (alcohol increases thymine consumption)
Coma patient’s care
1) Main cause for coma is hypoglycemia
2) Give glucose (dextrose) to prevent irreversible brain damage
How to detect drug overdose from coma patients?
1) Reduction of abdominal sound
2) Acetone smell (toxicity)
Coma patient that has benzodiazepine overdose?
1) Flumazenil may worsen the condition
2) Give long acting benzodiazepine to prevent sudden withdrawal condition
Respiratory depression may cause?
Hypoxia