General Flashcards
Primary chemotherapeutic drug for CML
Imatinib
What is the primary chemotherapeutic drug for ALL?
Asparaginase
DOC for sickle cell anemia
Hydroxyurea
DOC for the parasitic infection that can lead to megaloblastic anemia
Praziquantel
Diphyllobothrium latum
DOC for parasitic infection that can lead to microcytic hypochromic anemia
Albendazole
hookworms - Necator, Ancylostoma
Rescue therapy for methotrexate
Leucovorin/Folinic acid
Rescue therapy for cyclophosphamide
Mesna
Rescue therapy for doxorubicin
Dexrazoxane
Rescue therapy for cisplatin
Amifostine
Treatment for heparin-induced thrombocytopenia
Lepirudin, Agartroban
Direct thrombin inhibitors
DOC for outpatient management of lead poisoning
Succimer
DOC for malignant hyperthermia
Dantrolene
DOC for CMV infection
Ganciclovir
None of the cephalosporins are effective against ___________, ____________ & _____________.
Listeria monocytogenes
Enterococci
Methillin-Resistant Staph Aureus
DOC for Yersinia pestis
Streptomycin and/or Doxycycline
DOC for eradication of chronic carriage of Salmonella in the gallbladder. Why?
Ampicillin
For enterohepatic recycling
Drugs that are known to cause pseudo membranous colitis
Clindamycin, Ampicillin, 3rd Generation Cephalosporins
Ach is synthesized from acetyl CoA and choline by the enzyme choline acetyltransferase which is inhibited by
Hemocholinium
cholinergic synthesis
ACh is actively transported into vesicles for storage by vesicle-associated transporter (VAT), inhibited by
Vesamicol
cholinergic storage
Entry of calcium triggers interaction among SNARE proteins (VAMPs and SNAPs). ______________ toxins alter synaptobrevins to prevent release of ACh.
Botulinium
cholinergic release
Degradation of ACh into choline and acetate by acetylcholinesterase, inhibited by ____________
Carbamates or organophosphates
cholinergic termination
Messenger of M1 (nerve endings)
Gq - Increase IP3, DAG cascade
Messenger of M2 (heart, some nerve endings)
Gi - Decrease cAMP, activates K channels
Messenger of M3 effector cells
Gq - Increase IP3, DAG cascade
Used for bladder and bowel atony post surgery
Betanechol
Cholinomimetic used for Sjogren syndrome and Sicca syndrome
Pilocarpine
Cholinomimetic used for smoking cessation
Varenicline
Used in diagnosis of myasthenia gravis
Edrophonium
Used in the treatment of myasthenia gravis
Neostigmine
Differentiates a cholinergic crisis from a myasthenic crisis
Tensilon test
myasthenic crisis - undermedication
cholinergic crisis - overmedication
Cholinomimetic used in Alzheimer’s disease
Rivastigmine, Galantamine, Donepezil, Tacrine
First choice antidote for organophosphate poisoning
Atropine
Antidote for organophosphate poisoning and nerve gas poisoning (sarin, tabun)
Pralidoxime
Cholinergic antagonist used for Parkinson’s disease
Benztropine, Biperiden, Trihexyphenidyl
TRI to park your BENZ, BIP here.
Why is Ipatropium DOC in asthmatic patients with comorbid COPD and heart disease?
Less likely to cause tachycardia and arrhythmias
Cholinergic antagonist used for motion sickness
Scopolamine
Obsolete hypertensive drug due to its significant postural hypotension
Hexamethonium
Depolarizing neuromuscular blocker
Succinylcholine
Tyrosine is hydroxylated by tyrosine hydroxylase to DOPA which is inhibited by
Metyrosine
adrenergic synthesis
Norepinephrine and dopamine are transported into vesicles which is inhibited by
Reserpine
adrenergic transport
Entry of calcium triggers interaction among SNARE proteins inhibited by
Guanethidine
adrenergic release
Diffusion and reuptake of norepinephrine via NET and DAT in synaptic cleft is inhibited by
Cocaine and TCAs
adrenergic termination
Norepinephrine and epinephrine are metabolized by ____________ and ____________ into metanephrine and VMA
MAO and COMT
adrenergic termination
Messenger of alpha1(effector tissues, smooth muscles, glands)
Gq - increase IP3, DAG
Messenger of alpha2 (nerve endings, smooth muscle)
Gi - Decrease cAMP
Messenger of beta1 (cardiac muscles, JG apparatus)
Gs - Increase cAMP
Messenger of beta2 (smooth muscle, liver, heart)
Gs - Increase cAMP
Sympathomimetic used for anaphylaxis
Epinephrine
Non selective sympathomimetic used in cases of shock due to its action on splanchnic and renal vessels
Dopamine
Receptors activated by dopamine dependent on dose
Low dose (1-5mcg) - dopamine receptors Medium dose (5-15mcg) - beta receptors High dose (>15mcg) - alpha receptors
Sympathomimetic used as decongestant
Phenylephrine, Pseudoephedrine
DOC for preeclampsia
Methyldopa
Used for acute heart failure and may also be used in cardiac stress test
Dobutamine
DOC for acute asthma attacks
Albuterol, Salbutamol
Used for tocolysis in preterm labor
Terbutaline, Rotodrine
Sympathomimetic used in spinal shock
Alpha1 agonists (Pseudoephedrine, Phenylephrine)
DOC for pheochromocytoma
Phentolamine Phenoxybenzamine (of historical interest)
Alpha1 antagonist most selective for prostatic smooth muscle
Tamsulosin
Has intrinsic sympathomimetic activity
Pindolol, Acetabulol
Beta blocker with the longest half life
Nadolol
Beta blocker with the smallest half life
Esmolol
Bet blocker that can be used to supraventricular tachycardia
Esmolol
First line drug for hypertension for patients without comorbidities
Thiazide diuretics - Hydrochlorthiazide, Chlorthalidone, Indapamide, Metolazone
DOC for nephrogenic DI
Thiazide diuretics
Used to treat rebound hypertension from Clonidine use
Phentolamine
Vasodilator that is used for also alopecia
Minoxidil
It stimulates hair follicles in the telagen phase to differentiate into growth follicles in the anagen phase
Used in hypertensive emergencies but has SE of cyanide toxicity
Nitroprusside
Why are patients with diabetic nephropathy treated with ACE inhibitors or ARBs?
Decrease albumin excretion and slow progression from microalbuminuria to macroalbuminuria
Why do patients taking angiotensin antagonists develop hyperkalemia?
They reduce aldosterone levels and cause potassium retention
Vasodilator used for cyanide poisoning
Amyl nitrite
Drugs that have narrow therapeutic index
WALA na Cyang PaPa VasTeD na Warfarin Aminoglycosides Lithium Amphotericin B Carbamazepine Phenobarbital Phenytoin Vancomycin Theophylline Digoxin
DOC for digitalis toxicity
Lidocaine
First line drugs for chronic heart failure
Angiotensin antagonists
ACE inhibitors and ARBs
First line therapy in both systolic and diastolic heart failure
Diuretics
Role in immediate reduction of the pulmonary congestion and severe edema associated with acute heart failure
Furosemide
What are the effects of class I antiarrhythmias on AP duration?
Class IA: prolongs AP duration
Class IB: shortens AP duration
Class IC: no effect on AP duration
Used for treatment of class IA antiarrhythmia overdose
Sodium lactate
DOC for ventricular arrhythmias and post MI. Least cardiotoxic among conventional antiarrhythmics.
Lidocaine
Used for refractory arrhythmias
Class IC
Flecainide, Encainide, Propafenone
Used for all types of arrhythmias and for arrhythmias in the acute phase of myocardial infarction
Class IA
Disopyramide, Quinidine, Procainamide
Used for treatment and prophylaxis of atrial fibrillation
Dofetilide
Most efficacious of all antiarrhythmics but also most toxic
Amiodarone
Why are dihydropyridine CCBs not used as antiarrhythmics?
Evoke compensatory sympathetic discharge which facilitates arrhythmias
DOC for paroxysmal supraventricular arrhythmias
Adenosine
Diuretic that can be used for mountain sickness
Aetazolamide
Efficacy is decreased by NSAIDs and has synergistic ototoxicity with aminoglycosides
Furosemide
Diuretic that reduces progression of DM Nephropathy and reduces mortality in post-MI
Eplenerone
Diuretic usually used to decrease intracranial pressure
Mannitol
May occur with rapid correction of hyponatremia
Central pontine myelinosis
Why are statins used in the management if acute coronary disease?
For stabilization of atherosclerotic plaques
Increases TGs and VLDL in patients with high triglyceride
Cholestryamine
Bile acid resin
Most effective agent for increasing HDL levels
Niacin
DOC for hypertriglyceridemia
Fibrates
Gemfibrozil, Fenofibrate, Bezafibrate
Endogenous molecules with powerful pharmacologic effects that do not fall into traditional autonomic groups
Autacoids
Excess histamine production is detected in the urine as
Imidazole acetic acid
Messenger of H1 (smooth muscle)
Gq - Increase IP3, DAG
Messenger of H2 (stomach, heart, mast cells)
Gs - Increase cAMP
Histamine receptor antagonist used for motion sickness
Meclizine, Cyclizine
Drug used for chemotherapy and postoperative vomiting
Ondansetron
DOC for acute migraine
Sumatriptan
5-HT1D receptor agonists
Ergot alkaloid used for postpartum bleeding
Ergonovine, Methylergonovine
Group of endogenous fatty acid derivatives that are produced from arachidonic acid
Eicosanoids
Prostaglandin E1 analog used for prevention of NSAID induced gastric mucosal injury but is an abortifacient
Misoprostol
Prostaglandin E1 analog used for maintenance of PDA
Alprastodil
Prostaglandin analog used for induction of labor
Dinoprostone
Prostaglandin analog used for control of postpartum hemorrhage
Carboprost
Prostaglandin analog used in pulmonary hypertension and reduces platelet aggregation in dialysis machines
Prostaglandin I2 analogs
Epoprostenol, Beraprost, Iloprost, Treprostinil
Antidote for methylxanthine overdosage
Beta blockers
DOC for asthma prophylaxis
Fluticasone
Prophylaxis of severe, refractory asthma not responsive to all other drugs
Omalizumab
Iron with highest elemental iron
Ferrous fumarate
Iron with lowest elemental iron
Ferrous gluconate
Used for anemia associated with chronic renal failure
Epoetin alfa
Used for neutropenia associated with chemotherapy, myelodysplasia and aplastic anemia
Filgrastim
Used for secondary prevention of thrombocytopenia in patients undergoing cytotoxic chemotherapy
Oprelvekin
Toxic dose of ASA
150mg/kg
Lethal dose of ASA
500mg/kg or 30g
Antiplatelet used during PCI to prevent thrombosis
Abciximab, Eptifibatide, Tirofiban
Antiplatelet used for prevention and treatment of arterial thrombosis
Clopidogrel
Used in prevention of thromboembolic complications of cardiac valve replacement and in secondary prevention of ischemic stroke (with aspirin)
Cilostazol, Dipyridamole
Antidote for heparin toxicity
Protamine sulfate
DOC for anticoagulation during pregnancy
Heparin
Used for chronic anticoagulation monitored with PT
Warfarin