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What drug would help to prevent local necrosis at an IV infiltration site by increasing peripheral vasodilation?
What drug would assist with the impaired urine flow caused by benign prostatic hypertrophy?
List 3 contraindications to Prazosin
2. MI (lowers cardiac output and O2 delivered to heart muscle, no good)
3. Angina (lowers cardiac output and O2 delivered to heart muscle, no good)
Considering that Prazosin is used to lower BP, what is a serious adverse drug effect of this med?
First-dose syncope due to hypotension
What are some common adverse effects of Prazosin, and other BP lowering meds?
Light-headedness, dizziness, drowsiness, weakness, tachycardia due to decreased BP, palpitations
Epinephrine's effects on blood sugar and fatty acid content in blood?
Both are increased (think fight or flight)
Epinephrine stimulates the CNS resulting in what sort of symptoms?
Tension, anxiety, restlessness, insomnia?
List a few reasons you might use epi on a patient?
Cardiac arrest, shock, hypotension, obstructive pulmonary disease, bronchial asthma
If your patient has severe hypertension and tachycardia, what adrenergic agonist will you NOT give to them?
What does Inderal do to cardiac output?
Lowers it in all ways; (-) chronotropic, (-) inotropic, (-) dromotropic
What does Inderal do to glucose metabolism? (Think: is is an ADRENERGIC antagonist)
Makes it less effective
Your pt. has angina due to not being able to supply his heart with enough O2 for its needs. What type of drug might you use to lower his cardiac output so that the pain will subside?
Beta 1 blocker like Inderal
Would Inderal be a good choice for a patient with palpitations?
Yes, because it slows down heart conduction
With Inderal being a beta 1 blocker, what are some common adverse effects you might expect?
Due to its tolerance-inducing qualities, Phenobarbital is no longer widely used for sedative effects. However, it is still used for which of its properties?
Diazepam (Valium) depresses the CNS. What therapeutically, in terms of anxiety, does this achieve?
As a result of its CNS depressant qualities, Diazepam (Valium), may decrease what vital function?
Your pt. is acting out in a severe psychosis. Is diaepam (Valium) the right drug for him?
No, it is contraindicated with psychoses!
Because of these common adverse effects of diazepam (Valium), pts. should use caution when driving.
Drowsiness, confusion, ataxia.
What is one major lifestyle question you must ask when prescribing benzodiazepines?
What is your alcohol intake? Alcohol and benzos cannot be combined!
Your pt. presents to ED with acute ETOH withdrawal. What is the right class of drug for him, sedation wise?
Benzodiazepines - diazepam, Valium
Name the four therapeutic properties of ASA
How long does it take for ASA to separate from the platelets?
It doesn't. Once it binds, it's with the platelet for the rest of its lifespan (approx. 8 days.)
Reye's syndrome is a risk for children under 16 with viral illness, related to administration of which drug?
Your pt. with back pain and a history of GI ulcerations is asking what sort of OTC to take. Is ASA appropriate?
No! ASA increases bleeding risk.
In contrast to the long-term anti-thrombotic qualities of ASA, how long do the anti-thrombotic qualities of Ibuprofen last?
As long as the drug is in the system, which is about 4 hours.
By blocking the "good" Cox 1 which suppresses gastric acid production and secretes mucus to protect the stomach lining, what does Ibuprofen increase the risk of?
GI bleeding, ulceration
Acetaminophen has 2 major therapeutic uses, unlike its friends ASA and Ibuprofen. What are they?
Analgesic and antipyretic.
Your pt. complains of a swollen and red knee after running. Which is better, Ibuprofen or Acetaminophen?
Ibuprofen, bc acetaminophen has no anti-inflammatory properties.
By depressing the CNS, especially in the area of the brainstem, what is the risk of Morphine?
Depressed respiratory function.
By activating the emetic centers in the brain, Morphine produces what common adverse effect?
Nausea & vomiting
What are some bedside measures you could implement to improve respiratory outcomes for your pt. on Morphine?
Incentive spirometry and coughing and deep breathing
Why is pentazocine (Talwin) not a good choice for an opiate addict?
Because the antagonistic qualities of the drug could produce withdrawal symptoms.
By increasing systemic vascular resistance and pulmonary artery pressure, what severe adverse drug effects can pentazocine (Talwin) create?
Circulatory and respiratory depression
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