Drug Ref, IV Drug Compatibility & Degradation, Lab Values & Drug Monitoring, Toxicology & Antidotes, Crit. Care, Pharmacogenomics, Allergic Rhinitis, Cough & Cold, & Emergency Preparedness Flashcards
Drug References
Which book have dosage forms, strengths, package size & availability?
Red Book
Drug References
Which book talk about immunizations?
Pink Book
Drug References
Which book talk about CDC’s guide for international travelers?
Yellow Book
Yellow for Sun (plane flies in sky)
Drug References
Which book talk about biological products?
Purple Book
Drug References
Which book talk about therapeutic equivalence?
Orange Book
Drug References
What book talk about pediatrics?
Harriet Lane Handbook
Drug References
What book talk about pregnancy & lactation guide?
Briggs
What resource is good to look up IV compatibility, stability & compounding?
Trissel’s
Drug References
Where do you report drug ADRs?
FAERS
Drug References
Where do you report vaccines ADRs?
VAERS
Drug References
What resource is good to look up drug shortages, recalls & NDC directory?
FDA
IV Drug Compatibility & Degradation
Common drugs that leach into PVC bags:
Etoposide
Paclitaxel
Docetaxel
IV Drug Compatibility & Degradation
Common drugs that cause sorption
Nitroglycerin
Amiodarone
Insulin
Lorazepam
N.A.I.L.
IV Drug Compatibility & Degradation
Drugs that can ONLY be mixed with dextrose
Amphotericin B
Quin/Dalfo (Synercid)
Bactrim
IV Drug Compatibility & Degradation
Drugs that can ONLY be mixed with saline
Unasyn Phenytoin Ampicillin Remicade Daptomycin
U. PARD
IV Drug Compatibility & Degradation
Common causes of IV interaction or degradation risk
Extended infusion times
Heat
Light
IV Drug Compatibility & Degradation
Drugs that are incompatible with PVC can be put in what?
Glass or polyolefin bags instead
IV Drug Compatibility & Degradation
Most drugs use what size micron filters? Except lipids, what size?
Majority 0.22 micron filter
Lipids - 1.2 micron filter
IV Drug Compatibility & Degradation
Discoloration typically indicates what?
Oxidation or other form of decomposition of the drug
Emergency Preparedness, Toxicology & Antidotes
OTC drugs that require child-resistant containers are:
Iron Diphenhydramine APAP NSAIDs Afrin
Emergency Preparedness, Toxicology & Antidotes
Activated Charcoal
Dosed: 1g/kg
Indication: remove toxic amounts of a substance & is not effective if used within one hour of ingestion
don’t use the kind with sorbitol, bc it can induce vomiting & cause electrolyte imbalance
Emergency Preparedness, Toxicology & Antidotes
What is APAP’s antidote?
N-acetylcysteine (NAC)
Emergency Preparedness, Toxicology & Antidotes
What is BZD’s antidote?
Flumazenil
Emergency Preparedness, Toxicology & Antidotes
Digoxin antidote?
DigiFab
Emergency Preparedness, Toxicology & Antidotes
Isoniazid antidote?
Pyridoxine (vit B6)
Emergency Preparedness, Toxicology & Antidotes
Protamine is the antidote to what?
Heparin & LMWH
Emergency Preparedness, Toxicology & Antidotes
Deferoxamine (Desferal) is the antidote to what drug?
Iron
Emergency Preparedness, Toxicology & Antidotes
Vitamin K is the antidote to what drug?
Warfarin
Emergency Preparedness, Toxicology & Antidotes
Naloxone is the antidote to what class?
Opioids
Emergency Preparedness, Toxicology & Antidotes
In acetaminophen toxicity what is used to determine treatment?
APAP serum levels
Critical Care & Fluids/Electrolytes
Shock is characterized by
Hypotension & Hypoperfusion
Critical Care & Fluids/Electrolytes
What is the general treatment for shock?
- 30 mL/kg crystalloid fluid (NS or D5)
- Peripheral vasoconstrictor
- Beta-1 agonist to increase CO (Dobutamine or Epinephrine)
Critical Care & Fluids/Electrolytes
Hypovolemic Shock for Non-hemorrhagic
Crystalloid fluids 30 mL/kg
if pt is unresponsive then use vasopressor but ONLY if intravascular volume is adequate
Critical Care & Fluids/Electrolytes
Hypovolemic Shock for Hemorrhagic
Blood products (packed RBCs or fresh frozen plasma)
Critical Care & Fluids/Electrolytes
What type of fluids pass freely through membranes & travels into extravascular spaces (tissues)
Crystalloids (NS or D5)
Critical Care & Fluids/Electrolytes
What type of fluids are large molecules that remain in the vasculature to increase oncotic pressure?
Colloids (Albumin)
Critical Care & Fluids/Electrolytes
Sepsis bundle
- Broad spectrum antibiotics
- Crystalloids 30 mL/kg
- Vasopressors to maintain MAP > 65 mmHg (NE is vasopressor of choice)
Critical Care & Fluids/Electrolytes
Name the vasopressors
NE
Epi
Phenylephrine
Dopamine
Critical Care & Fluids/Electrolytes
All vasopressors are vesicants and can cause extravasation, which is a medical emergency causing severe tissue damage. What is used to treat the vasopressor extravasation?
Phentolamine
Critical Care & Fluids/Electrolytes
What is the strength of epinephrine for IV and IM use?
IV use: 0.1 mg/mL
IM use: 1 mg/mL
Critical Care & Fluids/Electrolytes
IV fluid resistant hypotension that requires vasopressors to maintain BP is called?
Septic shock
Critical Care & Fluids/Electrolytes
What are other names for vasopressin?
Antidiuretic hormone (ADH) & arginine vasopressin (AVP)
Critical Care & Fluids/Electrolytes
What are the 4 types of shock?
- Hypovolemic (hemorrhagic)
- Distributive (septic)
- Cardiogenic (Post-MI)
- Obstructive (PE)
Critical Care & Fluids/Electrolytes
In ADHF, beta blockers should ONLY be stopped when?
if hypotension or hypoperfusion is present (so if pt is in shock)
Critical Care & Fluids/Electrolytes
Congestion from ADHF is initially treated with what?
Loop diuretics
IV vasodilators (NTG, Nitroprusside, or nesiritide)
Critical Care & Fluids/Electrolytes
Nitroglycerin - When to use? MOA? CI?
When to use: when there is an active MI or uncontrolled HTN but limited use to 24-48 hours
MOA: venous vasodilator at low doses & arterial vasodilator at high doses
CI: when SBP <90 mmHg & concurrent use of PDE-5 inhibitors
Critical Care & Fluids/Electrolytes
Nitroprusside - MOA? Monitoring?
MOA: mixed venous & arterial vasodilator at all doses & has greater effect on BP than NTG
Monitoring: requires continuous BP monitoring bc it causes excessive hypotension
Critical Care & Fluids/Electrolytes
Cardiogenic shock treatment
Vasopressors and/or positive inotropes
Critical Care & Fluids/Electrolytes
What is the inotrope of choice in ADHF with SBP <90 mmHg (hypoperfusion)?
Dobutamine (medium dose)
Critical Care & Fluids/Electrolytes
Dobutamine MOA
beta-1 agonist which increases HR & contraction –> CO
Critical Care & Fluids/Electrolytes
Name the positive inotropes
Dopamine
Dobutamine
Milirinone
Critical Care & Fluids/Electrolytes
What color does dobutamine turn when oxidized?
Pink
Critical Care & Fluids/Electrolytes
Milrinone MOA
PDE-3 inhibitor which produces inotropic effects PLUS significant vasodilation with decreased effect on HR
Critical Care & Fluids/Electrolytes
Which positive inotrope requires dose reduction in renal insufficiency?
Milrinone
Critical Care & Fluids/Electrolytes
What is first-line for pain in ICU but still need to follow principles of pain management?
IV opioids
Critical Care & Fluids/Electrolytes
Agitation in ICU is managed with what class(es)?
Benzodiazepines: Midazolam or lorazepam
and/or hypnotics: propofol or precedex
Critical Care & Fluids/Electrolytes
What class(es) are linked to decrease LOS, improve outcomes & shorten duration of required ventilation?
Nonbenzodiazepines/hypnotics
Critical Care & Fluids/Electrolytes
What is the ONLY approved sedative for non-intubated patients?
Precedex
Critical Care & Fluids/Electrolytes
Sedation “vacations” are used how often?
Daily
to determine if the patient can be weaned off sedatives
Critical Care & Fluids/Electrolytes
Lorazepam can cause what even at low doses?
Propylene glycol toxicity (ARF & acidosis)
Critical Care & Fluids/Electrolytes
What drug is contraindicated in patients with an egg or soy allergy?
Propofol
Critical Care & Fluids/Electrolytes
Propofol can cause what?
Green urine, hair or nail beds
Critical Care & Fluids/Electrolytes
What size micron filter must be used to administer propofol?
> 5 micron filter
Critical Care & Fluids/Electrolytes
What sedative requires pretreatment with a benzo to decrease incidence of emergence reactions (vivid dreams, delirium, hallucinations)?
Ketamine
Critical Care & Fluids/Electrolytes
What drug is typically used to treat delirium although there is a little evidence to support its use?
Haloperidol
Critical Care & Fluids/Electrolytes
What atypical antipsychotic can be used for delirium with less SE of EPS?
Quetiapine
Critical Care & Fluids/Electrolytes
Sedating a patient with what type of class can decreases the incidence of delirium?
Non-benzos
Critical Care & Fluids/Electrolytes
What are the 2 main risk factors for development of stress ulcers?
Mechanical ventilation & coagulopathy
Critical Care & Fluids/Electrolytes
What class(es) are recommended for prevention of stress ulcers?
H2RAs & PPIs
Critical Care & Fluids/Electrolytes
Side effects of PPIs
C. diff, fractures, and nosocomial PNA
Critical Care & Fluids/Electrolytes
Prophylaxis should NOT be used when?
Patients without risk factors for stress ulcers
Critical Care & Fluids/Electrolytes
Common types of anesthetics used
- Local - lidocaine
- Inhaled - desflurane (Suprane) or sevoflurane (Ultane)
- Injectable - bupivacaine (Marcaine or Sensorcaine), ropivacaine (Naropin)
Critical Care & Fluids/Electrolytes
Uses & effects of anesthetics
- Local - numbing of area
- Regional - block pain
- General - loss of consciousness during surgery
Critical Care & Fluids/Electrolytes
What class is commonly used with anesthetics to reduce opioid requirements post-surgery?
Opioids
Critical Care & Fluids/Electrolytes
Inhaled anesthetics can cause what rare condition?
Malignant hyperthermia (MH)
Critical Care & Fluids/Electrolytes
This drug given IV can be fatal
Bupivacaine epidurals
Critical Care & Fluids/Electrolytes
This drug can NOT be given by dual routes (IV & topical)
Lidocaine
Critical Care & Fluids/Electrolytes
Sedatives & Analgesics must be given prior to these agents
Neuromuscular Blocking Agents (NMBA)
Critical Care & Fluids/Electrolytes
NMBAs require a red sticker that states:
“Warning, paralyzing agent”
Critical Care & Fluids/Electrolytes
Glycopyrrolate MOA/Brand
Brand: Robinul
MOA: anticholinergic agent used to reduce secretions while patients receive an NMBA
Critical Care & Fluids/Electrolytes
Types of NMBAs
- Depolarizing: succinylcholine (Quelicin)
2. Non-depolarizing: rocuronium (Zemuron) & cisatracurium (Nimbex)
Critical Care & Fluids/Electrolytes
Succinylcholine MOA
Works by binding to ACh receptors causing desensitization
Critical Care & Fluids/Electrolytes
IVIG indication, contraindication, SE, dose based on which weight?
- Indication: given for plasma protein replacement therapy in immune deficient patients who have decreased antibody production
- SE: thrombosis, rarely cause acute renal failure (use caution in elderly, renal disease, DM, sepsis)
- IBW used to calculate dose
- CI: patients with IgA deficiency
Critical Care & Fluids/Electrolytes
HYPOvolemic hyponatremia treatment
- Correct the underlying cause (V/D, blood loss, diuretic use)
- Administer saline solutions
Critical Care & Fluids/Electrolytes
HYPERvolemic hyponatremia treatment
Diuretics & fluid restriction
Critical Care & Fluids/Electrolytes
EUvolemic hyponatremia caused by what? treatment?
- Caused by SIADH
2. Tx: fluid restriction or diuresis
Critical Care & Fluids/Electrolytes
Name vasopressin antagonists
Conivaptan (Vaprisol)
Tolvaptan (Samsca)
Critical Care & Fluids/Electrolytes
Sodium correction CAN NOT EXCEED what?
12 mEq/L over 24 hours
cause paralysis, seizures, & death
Critical Care & Fluids/Electrolytes
Conivaptan is contraindicated in patients with what allergy?
Corn
Critical Care & Fluids/Electrolytes
Tolvaptan is contraindicated in patient who are unable to respond to or sense what?
Thirst
Critical Care & Fluids/Electrolytes
What vasopressin antagonist can NOT be used for > 30 days causes hepatotoxicity?
Tolvaptan
Critical Care & Fluids/Electrolytes
If serum Mg < 1 mEq/L with seizures/arrhythmia what is recommended?
IV magnesium sulfate
replacement should continue for 5 days to fully replace stores
Critical Care & Fluids/Electrolytes
What electrolyte is necessary for potassium reuptake?
Magnesium
Critical Care & Fluids/Electrolytes
IV phosphate is recommended when?
PO4 < 1 mg/dL (this is considered severe)
for less severe hypophosphatemia, oral replacement is recommended but can take > week to fully replace
Lab Values & Drug Monitoring
Common Therapeutic Range for Digoxin (AF)
0.8-2
Lab Values & Drug Monitoring
Common Therapeutic Range for Digoxin (HF)
0.5-0.9
Lab Values & Drug Monitoring
Common Therapeutic Range for Lithium
0.6-1.2
Lab Values & Drug Monitoring
Common Therapeutic Range for Phenytoin/Fosphenytoin
10-20
Lab Values & Drug Monitoring
Common Therapeutic Range for Free Phenytoin
1-2.5
Lab Values & Drug Monitoring
Common Therapeutic Range for Valproic Acid
50-100
Lab Values & Drug Monitoring
Common Therapeutic Range for Vancomycin
10-20
Lab Values & Drug Monitoring
Name the cardiac enzymes used to diagnosis MI
TnT
TnI
BNP
NT-proBNP
Lab Values & Drug Monitoring
Name the cardiac enzymes used to diagnosis heart failure
BNP & pro-BNP
**higher BNP = higher likelihood of HF
Lab Values & Drug Monitoring
Anti-XA levels should be drawn when?
4 hours after LMWH is given
Lab Values & Drug Monitoring
Patients with G6PD deficiency can experience what? with what drugs?
Hemolytic anemia
Drugs: Probenecid, Quinidine, Nitrofurantoin
Pharmacogenomics
Prior to starting Abacavir, what genetic testing is done?
HLA-B*5701
**if positive, do NOT use Abacavir*
Pharmacogenomics
In order to use Maraviroc (Selzentry) for HIV treatment, what must a patient test positive for?
CCR5
Pharmacogenomics
A patient must be BCR-ABL positive to be able to use what for treatment of CML?
a “nib”
Pharmacogenomics
Conversion of codeine to morphine is based on the presence/absence of what polymorphism?
CYP2D6
Pharmacogenomics
Define Pharmacogenomics
Personalized medicine tailored to a patient’s genotype
A patient that have a severe skin reaction to carbamazepine is has what gene present?
HLA-B*1502
Pharmacogenomics
A patient that have a severe skin reaction to carbamazepine is has what gene present?
HLA-B*1502
Allergic Rhinitis, Cough & Cold
Name the types of intranasal corticosteroids.
Budesonide (Rhinocort)
Fluticasone (Flonase)
Triamcinolone (Nasacort)
Mometasone (Nasonex)
Allergic Rhinitis, Cough & Cold
What are the 1st line treatment for mild symptoms?
Oral antihistamines
- have little effect on nasal congestion but good for other symptoms
- 2nd gens are preferred bc less sedation
Allergic Rhinitis, Cough & Cold
Name the 1st generation antihistamines
Diphenhydramine (Benadryl)
Chlorpheniramine (Chlor-Trimeton)
Allergic Rhinitis, Cough & Cold
Name the 2nd generation antihistamines
Cetirizine (Zyrtec) Levocetirizine (Xyzal) Loratadine (Claritin) Desloratadine (Clarinex) Fexofenadine (Allegra)
Allergic Rhinitis, Cough & Cold
Decongestants MOA
Alpha adrenergic agonist
*used to decrease nasal congestion by causing vasoconstriction in the nasal cavity
Allergic Rhinitis, Cough & Cold
Name decongestants & how they work
Phenylephrine (systemic)
Pseudoephedrine (systemic)
Oxymetazoline (local/topical) - limit use to 3 days due to rebound congestion
Allergic Rhinitis, Cough & Cold
What is the maximum dose of pseudoephedrine (PSE) allowed?
3.6 g per purchase
9 g per month
Allergic Rhinitis, Cough & Cold
Name natural products for colds
Zinc
Vitamin C (ascorbic acid)
Echinacea
Allergic Rhinitis, Cough & Cold
Name a Cough expectorant
Guaifenesin (Mucinex or Robotussin)
Allergic Rhinitis, Cough & Cold
Name the Cough suppressants
Dextromethorphan (Delsym or Dayquil)
Codeine
Benzonatate (Tessalon perles)
Diphenhydramine (Benadryl)
Allergic Rhinitis, Cough & Cold
FDA prohibits OTC products for children under what age?
2 years of age
Allergic Rhinitis, Cough & Cold
AAPE prohibits OTC products for children under what age?
6 years of age
Allergic Rhinitis, Cough & Cold
Acetaminophen dosing
10-15 mg/kg Q4-6H
Allergic Rhinitis, Cough & Cold
Ibuprofen dosing
5-10 mg/kg Q6-8H