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108 Cards in this Set
- Front
- Back
Ephedrine is a mixed agent:
(2) |
1. weak, direct agonist of both alpha AND B r's
2. Strong indirect effect of inducing presynaptic release of stored cat's |
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Ephedrine is used to treat:
(2) |
1. hypotension,
2. bradycardia |
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ZDV full name =
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Zidovudine
|
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didanosine abbr:
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ddI
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stavudine abbr:
|
d4t
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lamivudine abbr:
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3TC
|
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emtricitabine abbr:
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FTC
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Sympathomimetics:
(3) |
1. Phenylephrine
2. Dobutamine 3. Ritodrine |
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Anticholinergics (inhibit ACH):
(4) |
1. Scopolamine
2. Oxybutynin 3. Benztropine 4. Atropine all have same symps as atropine if OD |
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Cyclophosphamide interferes with:
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DNA replication
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5 symps of B-blocker TOXICITY:
(they all make sense) |
1. hypotension
(blocking renin) 2. bradycardia 3. hyperK+ (blocking B1 renin release) 4. hyperglycemia (blocking B2 insulin release) 5. bronchoconstriction (blocking B2) |
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mechanism of glucagon as antidote for B-blocker toxicity:
(2) |
1. inc. in blood sugar will stimulate the SNS
2. Further, glucagon mediated increased levels of blood glucose will stimulate secretion of insulin, which treats the hyperK+ by driving the K+ back (intracellularly) |
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adjuvant to Atropine =
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Pralidoxime
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uncontrollable bladder spasms result in
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leakage of urine, ESP. when hearing the sound of running water or during times of emotional lability
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What does oxybutynin do, specifically at the bladder?
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relieves bladder spasms
=> treats incontinence |
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4 determinants of drug Distrbution in a body:
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1. Solubility in different solutions (lipid or aqueous) and therefore body compartments (adipose or non-adipose tissue)dysphagia, drooling, metabolic alkalosis
2. Concentration gradient 3. Ability to bind to different constituents in tissues (ex. lipids, proteins) 4. SA and vascularity of affected area (more blood flow, more drug delivery; more surface area, more drug entry into the circulation) |
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3 α2 agonists:
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1. Clonidine
2. Methyldopa 3. Guanfacine |
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4 SE's of Quinidine toxicity:
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1. torsades des pointes
2. thrombocytopenia 3. tinnitus 4. cinchonism |
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symps of iron toxicity:
(4) |
1. confusion
2. bloody diarrhea (acute GI bleed) 3. met. acidosis (chronic) 4. hemachromatosis (chronic) |
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hemorrhagic cystitis =>
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dysuria, hematuria
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TMP-SMX is used for:
(6) |
1. UTI’s
2. some MRSA inf's, 3. Listeria 4. Shigella 5. Salmonella 6. PCP |
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2 SE's of azoles:
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1. GI distress (n/v/d)
2. hepatotoxicity (mild to severe) |
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MTX mechanism:
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competitive inhibitor of DHFR
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4 symps of copper/gold/mercury toxicity:
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1. anemia
2. liver failure 3. skin discoloration 4. peripheral neuropathy |
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Drugs bound to plasma proteins are NOT available for:
(4) |
1. Further distribution into tissues
2. Active pharmacological action 3. Glomerular filtration 4. Metabolism |
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what makes S. aureus R to methicillin?
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changes to PBP
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a1 blockers:
(end in _________) |
"-zosins"
|
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which drug has a SE of dysglycemia (both hyper- and hypoglycemia)?
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Gatifloxacin
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3 SE’s of Ribavirin
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1. Teratogenic
2. Hepatotoxicity in hep C patients 3. pancytopenia |
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Great antib’ for MSSA =
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Nafcillin
- strongest binding to PBP3 |
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2 polyenes
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Nystatin,
Amphotericin B |
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3 symps of aspirin toxicity:
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1. inc. AG met. acidosis
2. respiratory alkalosis 3. tinnitus |
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extra
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extra
|
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toxicity of nucleoside analogues:
(2) |
1. LA
2. hepatomegaly w/ steatosis |
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SE's of Amphotericin B, nicknamed "amphoterrible":
(2 categories) |
1. infusion rxn of fevers, chills, hypotension, tachypnea, dyspnea.
2. nephrotoxic => anemia due to decreased EPO synth, serum electrolyte abnormalities |
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3 main uses of Valganciclovir
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1. imm-comp pts with CMV retinitis,
2. " " pneumonitis 3. prophylaxis of CMV inf (e.g. solid organ transplant patients) |
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α2 blocker:
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Mirtazapine
|
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5 SE's of ganciclovir:
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1. anemia
2. neutropenia in AIDS patients 3. thrombocytopenia 4. diarrhea, anorexia, vomiting 5. fever |
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mechanism of amphetamines:
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Inc. release of both DOPA and NE
- and to a lesser extent prevent reuptake |
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Amphetamine OD =>
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CV symps
- arrhythmias, HTN, angina, palpitations, HA, chills, hyperhidrosis |
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antidote for amphetamine OD:
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chlorpromazine or haloperidol — α-blocking properties which relieve both CNS and CV SE's
check |
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mechanism of cocaine:
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inhibits DOPA and NOR reuptake
|
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clinical application of cocaine:
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local vasoconstriction and local anesthesia effects
|
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uses of Metronidazole
PAGE GT to the Metro: |
h. Pylori
Anaerobes (bacteroides, clostridia) Giardia Entamoeba histolytica Gardnerella vaginalis Trichomonas vaginalis |
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classic indications for tetracyclines:
(8) |
1. Chlamydia
2. Mycoplasma pneumoniae 3. Spirochetes (Borrelia, Leptospira, T. pallidum) 4. Rickettsial inf's 5. Brucella 6. Nocardia 7. severe acne 8. prophylaxis against anthrax |
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5 SE's of Rifampin:
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1. Dizziness
2. Visual Disturbances 3. n/v/d 4. Liver dysfunction 5. Red/orange discoloration of body urine |
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drugs that cause gynecomastia:
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Spironolactone
(aldo antagonist) Digitalis Cimetidine (antiH for PUD) Alcohol Ketoconazole |
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activated H1 r’ on mast cells =>
(3) |
1. mast cell degranulation
2. nasopharyngeal/bronchial mucus production 3. bronchospasm |
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4 features of Gray Baby syndrome:
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1. blue/gray skin
2. vomiting 3. shock. 4. aplastic anemia (rare, fatal—dose-independent) |
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symps of cyanide toxicity:
(3) |
1. almond breath
2. trismus (lockjaw) 3. apnea, sez's, coma, cardiac arrest |
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SE's of pyrazinamide:
(3) |
1. hyperuricemia (=> gout)
2. hepatotoxicity 3. acute intermittent porphyria |
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SE's of Foscarnet:
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nephrotoxic and electrolyte abnormalities (hypoCa2+, hypoMg2+, hypoK+)
|
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Caspofungin is used to treat RACE:
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Refractory invasive aspergillosis
Azole-R Candida strains Candidemia Empiric treatment in a febrile neutropenic pt |
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5 symps of methemoglobin toxicity:
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1. cyanosis
2. fatigue 3. confusion 4. coma 5. chocolate blood |
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methylphenidate =
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synthetic amphetamine
|
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3 features of hemachromatosis:
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1. RCM
2. arthralgia 3. bronze coloring of the skin (all due to iron deposits) |
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3 symps of alkali poisoning:
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1. dysphagia
2. drooling 3. metabolic ALKalosis |
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Gray Baby syndrome is caused by chloramphenicol; mech =
|
*esp. premature babies* can’t adequately metabolize chloramphenicol due to inadequate *UDP-glucuronyl transferase activity*
|
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6 Aminoglycosides:
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1. Amikacin
2. Capreomycin 3. Gentamicin 4. Paromomycin 5. Streptomycin 6. Tobramycin |
|
alpha blockers relax SM in the prostate and bladder neck
=> a-blockers treat urinary retention, esp. in BPH |
However, alpha blockers also prevent the vasoconstrictive actions of the baroreceptor reflex. This commonly produces dizziness and syncopal episodes
(i.e. symps related to orthostatic hypotension) |
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3 drugs that cause DILE:
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Hydralazine
INH Procainamide |
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Streptogramins can treat:
(3) |
- MRSA
- VRSA - VRE (vancomycin-R Enterococcus) |
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1st-gen cover:
(2) 2 1st gen: |
1. GP cocci
2.PEcK (Proteus mirablis, E. coli, and Klebsiella pneumoniae) Cefazolin, Cephalexin |
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2nd-gen cephalosporins cover:
(2) 3 2nd -gen: |
1. e/t 1st-gen gets
2. + HENS (H. flu, Enterobacter aerogenes, Neisseria spp., and Serratia marcescens) Cefuroxime, Cefoxitin, Cefactor |
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3rd-gen cephalosporins cover:
(3) |
1. serious GN infs R to other B-lactams
2. Neisseria (Ceftriaxone) 3. Pseudomonas (Ceftazidime) |
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4th-gen Cefepime covers:
(3) |
1. e/t 3rd-gen covers
2. + more against GP's 3. +Pseudomonas |
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5th-gen Ceftaroline covers:
(5) |
basically e/t EXCEPT FOR Pseudomonas
1. enteric GN rods (more effective than 4th-gen) 2. penicillin-R pneumococci 3. oxacillin-R staphylococci, 4. MRSA 5. VISA |
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reason mydriasis causes "blind as a bat":
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dilated pupils means so much light entering that you can't see anything
=> intolerance to light, blurred vision |
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3 paired penicillins/B-lactamase inhibitors:
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ampicillin + sulbactam
piper + tazobactam amoxicillin + clavulanic acid |
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FQ's can cause not only tendonitis, but also:
(2) |
tendon rupture and cartilage damage:
|
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macrolides are used against:
(3) |
1. atypical penumonias
(Mycoplasma, Chlamydia, Legionella) 2. Chlamydia STD (Z-pak) 3. GP cocci (strep, staph) |
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most important use of macrolides:
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against atypical pneumonias (Mycoplasma, Chlamydia, Legionella)
|
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3 uses of Micafungin:
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1. candidemia
2. esophageal candidiasis 3. prophylaxis for HSCT |
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Bethanechol treats:
(2) |
1. post-op/neurogenic ileus
(painful obs. of ileum) 2. post-op/neurogenic bladder atony (urine retention b/c muscles can't contract to push urine out) |
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which class of antib's requires energy for uptake and are thus useless against anaerobes?
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Aminoglycosides
|
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Anidulafungin is used against:
(2) |
1. esophageal candidiasis
2. systemic Candida inf's (candidemia, intra-abdominal abscess, and peritonitis) |
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23S RNA ~~
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50S ribosome
=> CMLLS antib's |
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toxicity of INH can be remembered with “INH":
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Injures Neurons (=> peripheral neuropathy and sez's)
and Hepatocytes |
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4 features of carbapenem class activity:
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1. very broad activity against GP's and GN's
2. esp. useful against R Pseudomonas 3. drug of choice for Enterobacter... 4. ...but NO activity against MRSA or E. faecium |
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ALL a1 blockers have the SE of:
|
orthostatic hypotension
|
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Lincosamides are used against:
(clindamycin, lincomycin) (3) |
1. Anaerobes
(e.g, B. fragilis, C. perfringens) 2. GP's, esp. in penicillin-allergic pts 3. some protozoa (e.g. malaria) |
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FQ's are used against:
(3) |
1. GN rods of urinary and GI tracts
2. Neisseria, 3. some GP's |
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Pilocarpine:
(2) |
1. nonselective Muscarinic agonist
2. treats xerostomia (dry mouth) |
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3 SE's of MTX:
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1. kidney toxicity
2. rash 3. conjunctivitis |
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3 SE's of 5-FU:
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1. hand-foot syndrome
2. nail changes 3. fever |
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Bleomycin SE =
|
pulmonary fibrosis
|
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Amphotericin B (a polyene) is used against:
(2) |
1. systemic mycosis
2. fungal meningitis |
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what kind of drug is Echothiophate?
|
irreversible cholinesterase inhibitor
- Methacholine, Carbachol, Bethanechol, and Pilocarpine are all DIRECT cholinergic AGONISTS |
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3 drugs that can cause diabetes insipidus:
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1. Li2+
2. Demeclocycline 3. Drugs that can cause hypercalcemia (e.g. thiazides) |
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5 drugs that can cause cholinergic syndrome:
|
1. ACHE inhibitors
(Neostigmine, Physostigmine) 2. Organophosphates (Sarin, Soman) 3. Pilocarpine 4. Carbachol 5. Bethanechol |
|
Benztropine =
|
central anticholinergic (with anti-H properties) that's used to treat:
1. Parkinson’s symptoms 2. dystonia 3. akathisia (state of restlessness) |
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which ACHE inhibitor can cause agitation, psychosis and confusion, and why?
|
Physostigmine,
b/c it's the only one to cross the BBB |
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why is Amantadine rarely prescribed?
|
92-100% of strains are R to it via M2 mutation
|
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Monobactams are used against:
|
GN's,
*esp* Pseudomonas |
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main SE of TMP:
|
BM suppression,
esp. in pts w/ folic acid deficiency |
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activation of M3:
(5) |
1. increases peristalsis
2. increases bladder contraction 3. increases exocrine gland secretions 4. bronchoconstriction 5. contracts the sphincter pupillae (=> miosis) |
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2 drugs associated with tardive dyskinesia:
|
1. antipsychotics
2. Metoclopramide |
|
abbr. for tenofovir =
|
TDF
|
|
antibiotics that block peptidoglycan in some capacity:
|
Penicillins
Carbapenems Monobactams Cephalosporins (prevent cross-linking) Vancomycin Bacitracin (prevent synth.) (for Mycobact. wall:) INH (prevent mycolic acid synth) Ethambutol (some other part) Pyrazinamide (inhibits growth enzymes) |
|
2 antib's that block peptidoglycan **synth** specifically:
|
1. Vancomycin
2. Bacitracin |
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which 2 antib's disrupt cell **membranes**?
|
1. Daptomycin
2. Polymyxins |
|
P450 syst. Inducers –
BCC GMN PR SS |
Barbiturates
Carbamazepine Chronic alcohol use Griseofulvin Modafinil Nevirapine Phenytoin Rifampin Smoking (aromatic hydrocarbons) St. John’s wort |
|
P450 syst. Inhibitors –
AA CC GG IKM QRS |
Acute alcohol intoxication
Amiodarone Cimetidine Ciprofloxacin Gemfibrozil Grapefruit juice Isoniazid Ketoconazole Macrolides (NOT Z-pak) Quinidine Ritonavir Sulfonamides |
|
Dimercaprol antidote ~~
|
“LAGM”
lead, arsenic, gold, mercury |
|
Cefazolin (1st-gen) is used prior to:
|
surgery,
to prevent S. aureus wound infections |
|
Cefazolin (1st-gen) is used prior to:
|
surgery,
to prevent S. aureus wound infections |
|
8 3rd-gen cephalosporins:
|
- Cefdinir
- Cefixime - Cefoperazone - Cefotaxime - Ceftazidime - Ceftibuten - Ceftizoxime - Ceftriaxone |
|
3 uses of Imidazoles, e.g. ketoconazole:
|
1. endemic mycoses
2. dermaphytes 3. Candida |