True Learn - summer concepts Flashcards
(43 cards)
If a patient is having Upper Right Quadrant pain after a cholangiopancreatography, what is causing this? What is the treatment?
Opioids can increase biliary colic which increases biliary duct pressure
Naloxone is the treatment but be careful
Which hormone is responsible for thyrotoxic cardiomyopathy?
Triiodothyronine
What regulates thyroid function?
Thyrotropin-releasing hormone (TRH) which is secreted by the hypothalamus
It promotes the release of thyroid-stimulating hormone (TSH) from the anterior pituitary gland.
TSH binds to receptors on the thyroid gland to enhance production of T3 and T4
Negative feedback loop
How is CO2 carried in the blood?
- Bicarb (70%)
- Bound to Hgb as carbamino compounds (23%)
- As CO2 dissolved in the blood (7%)
How does Milrinone work? Effects?
PDIII inhibitor
Increases contractility
Increased CO
Decreased LVEDP
Decreased filling pressures
Decreased venous return
Decreased PAP
NPO guidelines
Clears - 2 hours
Breast milk - 4 hours
Formula/milk/light meal - 6 hours
Fried, fatty, or meat - 8 hours
Main source of energy after fasting for 72 hours?
Ketones
How does dopamine affect prolactin?
Decreases its release
So any drug that blocks dopamine increases prolactin
Reglan blocks dopamine
Does lidocaine have increased or decreased protein binding
Decreased compared to most local anesthetics
Mag chart
Most common symptoms of a non IgE mediated response?
Skin rash and fever
Most closely associated with 1 - 2 day mortality of inhalational burn?
Carbon monoxide poisoning
What level is the carina at?
T5
What is Eliquis? How does it work?
Apixaban - direct Xa inhibitor
Prevents blood clots
What is the primary inheritance pattern of MH?
Autosomal dominant
Which drug modulates opioid receptors with anticholinergic effects?
Imipramine (tricyclic antidepressants)
What is the difference between the original dantrolene and ryanodex?
Ryanodex has less mannitol
How can you increase the heart rate, RMP, TP, Phase 4?
RMP becomes less negative
TP becomes more negative
Increase slope of phase 4
Example of hypoxic pulmonary vasoconstriction?
High altitude pulmonary edema
First drug given after suspected nerve agent exposure?
Atropine
The frontal lobe controls?
Motor cortex
What is the Broca’s area?
Motor control of speech
The parietal lobe controls?
Somatic sensory
The occipital lobe controls?
Vision