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103 Cards in this Set
- Front
- Back
Tx of ED and to maintain patency of ductus arteriosus
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Alprostadil (PGE1)- • IV infusion @ lowest rate until surgery for PDA (Apnea 10% of neonates) and shot in pecker for ED.
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Tx for abortifacient 2nd trimester, labor induction, cervical ripening, and post-partum bleeding
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Dinoprostone (PGE2)-
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Tx for post-partum bleeding and a abortifacient
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Carboprost (PGF2 analog)-
1st/2nd Trimester |
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Used for the treatment of pulmonary arterial hypertension
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Epoprostenol (PGI2)- and Treprostinil (PGI2 analog)-
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treatment for glaucoma
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Travoprost (PGF2 analog) and Unoprostone (PGF2 analog)
↑ Brown color in iris by increasing melanin in melanocytes – can be permanent (acetazolamide & dorzolamide) CA inhibitors too |
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Histamine effect on VSM
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• Vasodilation
• Edema |
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Histamine Effects on NVSM
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• Contraction of bronchial and other NVSMs
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What ↑ gastric acid secretion
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Histamine
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Serotonin effect on VSM
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• Vasoconstriction in most vascular beds
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Serotonin Effects on NVSM
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• Contraction of GI & other NVSM contraction
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What stimulates of platelet aggregation
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Serotonin and TXA2
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What inhibits of platelet aggregation
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PGI and PGI2 (prostacyclin)
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PGE effect on VSM
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• Vasodilation
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PGF effect on VSM
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• Vasoconstriction
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PGI effect on VSM
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• Vasodilation
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TXA2 effect on VSM
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• Vasoconstriction
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PGE Effects on NVSM
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• Relaxation of bronchial sm
• Contraction of uterine muscle |
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PGF Effects on NVSM
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• Contraction of bronchial and uterine muscle
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PGI Effects on NVSM
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• Contraction
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TXA2 Effects on NVSM
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• Contraction
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This increases gastric acid secretion
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Histamine
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This Inhibits gastric acid secretion
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PGE
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This drug is gastric protective especially for a patient on chronic NSAID therapy.
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drug Misoprostol PGE1 analog. also used as abortifacient when used with mifepristone. ABSOLUTELY!!! contraindicated for pregnacy because it can be used for 2nd trimester abortions or postpartum bleeding.
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Tx for Motion Sickness & Vestibular Disturbances –
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o Scopolamine (Muscarinic Antagonist) & 1st Gen Antihistamines specific called out Meclizine for vertigo or motion
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What are the Clinical Uses of Antihistamines
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• Allergic Reactions, Motion Sickness & Vestibular Disturbances, Nausea & Vomiting. Last 2 mainly 1st Gen I think
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TQ..What/why causes sedation with antihistamines?
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They are able to cross BBB, anti-muscarinic Effects, Mainly 1st Gen and a little on 2nd gen Cetirizine (Zyrtec)
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Which First Generation Antihistamines requires Caution in Elderly?
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Chlorpheniramine
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Useful N/V in a suppository form?
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Promethazine (Phenegren)
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What is the only Second Generation Antihistamine he calls out as BID due to 12 hour DoA?
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Fexofenadine (Allegra)
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What is the primary anatomical sites for 5-HT storage & release?
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Enterochromaffin cells in GI Tract (90%), Dorsal raphe nucleus, and Platelets
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Which Serotonin Agonist is used for anxiety and depression?
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Buspirone (Buspar)
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Is Buspirone (Buspar) 5-HT1A selective or 5-HT1B/D selective?
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5-HT1A selective Agonist
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Is sumatriptan 5-HT1A selective or 5-HT1B/D selective?
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5-HT1B/D selective Agonist
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What receptor is tegaserod selective for?
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5-HT4 Agonist
Tegaserod is only for a crisis & only w/ FDA approval |
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Which Serotonin Agonists are used for Reversing migraine & cluster headaches and ONLY for acute migraines, NOT for prophylaxis
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Sumatriptan & -triptans (Imitrex). They also work by constriction of intracranial blood vessels and inhibit release of inflammatory vasodilatory neuropeptides in CNS
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What are the Serotonin Agonists?
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Buspirone, Sumatriptan & -triptans, and Tegaserod
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What are the Serotonin Antagonists?
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Cyproheptadine, Clozapine, Ondansetron (Zofran) May cause QT prolongation, Granisetron, Dolasetron
CC GOD if you need help on test |
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Which Serotonin Antagonist is used for Antiperistaltic in carcinoid crisis, Urticaria (hives), and Pruritis?
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Cyproheptadine
• 5-HT2 and H1 anatagonist • Liquid & Tablets |
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Which Serotonin Antagonist is used for Schizophrenia (2nd choice)?
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Clozapine (Clozaril)
• 5-HT2 selective antagonist • Non-selective dopamine receptors • Agranulocytosis can occur |
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Which Serotonin Antagonists is used for GI disorders, Chemo/radiation, and nausea/vomiting?
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Ondansetron (Zofran), Granisetron, and Dolasetron
All 5-HT3 selective antagonist |
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Which Serotonin Antagonist can cause QT prolongation?
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Granisetron,Ondansetron , Dolasetron
Think GOD fight serotonin just takes awhile |
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Which Serotonin Antagonist can cause Agranulocytosis?
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Clozapine Atypical
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Which Serotonin Antagonists may cause QT prolongation?
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Granisetron and Dolasetron
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Pyrogens cause this prostaglandin's release in brain causing fever (pyresis)
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PGE2
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This prostaglandin produces sleep when infused into cerebral ventricles.
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PGD2
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These endothelin receptors vasoconstrict
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ETa receptors
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These endothelin receptors vasodialite
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ETB receptors
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What are the two Antagonists for ETA and ETB receptors ?
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Bosentan and Ambrisentan (ETa mostly)
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These treat pulmonary arterial hypertension and are powerful teratogen.
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Bosentan and Ambrisentan (Antag. for ETA and ETB)
NOT for females unless on multi-faceted birth control; hormonal birth control may not be as effective and Contraindicated during pregnancy. Restricted access (~$3K/month) |
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This drug class inhibits sodium chloride reabsorption in the distal convoluted tubule and also increase calcium reabsorption via an unclear mechanism
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Thiazides
hydrochlorothiazide, chlorthalidone, indapamide, and metolazone |
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What are the clinical uses for thiazides?
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Hypertension: the best antihypertensive diuretics!
Edema: heart failure and kidney disease. Nephrolithiasis: these drugs enhance calcium reabsorption in the distal convoluted tubule, reducing urinary calcium concentration. Nephrogenic diabetes insipidus: weird he said how it works maybe TQ |
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Which Thiazide has longest DoA and which has shortest?
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Indapamide -- 30 hours (manufacturer lists pregnancy group “B”, but some literature to suggest “D”)
Hydrochlorothiazide -- 12 hours |
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This class is are most efficacious diuretic agents available although have less chronic effect on reducing blood pressure.
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Loop
Loopy Fukers Bite Titties Everyday Furosemide, Bumetanide, Torsemide) and Ethacrynic acid |
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All Loop Diuretics can be ototoxic especially in high dose IV form but this loop is the most ototoxic and not a sulfonamide.
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Ethacrynic acid
Tq? |
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Can prevent the effects of mineralocorticoid excess caused by hypersecretion or secondary aldosteronism.
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spirolactone and epeplerone --
Potassium-Sparing Diuretics |
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What are the Potassium-Sparing Diuretics?
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Spirolactone, Epeplerone, amiloride, triamterene
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Adverse effects of Potassium-Sparing Diuretics
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Hyperkalemia, hyperchloremic metabolic acidosis, gynecomastia (spironolactone), and kidney stones (triamterene).
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Administration with NSAIDs may cause renal failure with these Potassium-Sparing Diuretics.
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Amiloride and Triamterene
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What are the Osmotic Diuretics?
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Mannitol & glycerol
OMG these make me pee! |
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This diuretic Reduces intracranial pressure in ~15 minutes.
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mannitol
DoA -- 7 hours for IV |
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The diuretics cause a significant loss of bicarbonate that may result in hyperchloremic metabolic acidosis.
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Carbonic Anhydrase Inhibitors -- These diuretics produce a mild, short-term diuresis
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Clinical uses for Carbonic Anhydrase Inhibitors
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Glaucoma and Mountain Sickness
Glaucoma: (acetazolamide & dorzolamide) Inhibition of CA decreases the rate of aqueous humor formation, resulting in decreased intraocular pressure. Mountain Sickness: (acetazolamide) Decreases the formation and the pH of cerebrospinal fluid. Can counteract respiratory alkalosis. May be used to prevent or treat altitude sickness. |
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Carbonic Anhydrase Inhibitors for glaucoma only will not work for mountain sickness
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Dorzolamide
(glaucoma only) DoA -- 8 hours for topical |
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This Carbonic Anhydrase Inhibitors is usually contraindicated with liver disease
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Acetazolamide
DoA -- 10 hours for oral |
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This class of diuretics are not used for IM injections because painful due to high pH
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Carbonic Anhydrase Inhibitors
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These diuretic decrease excretion in the urine of Ca 2+
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Thiazide and related diuretics
So they help with stones |
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These diuretic increase excretion in the urine of K+
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Thiazides and Loops
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These diuretic decrease excretion in the urine of K+
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Potassium-sparing diuretics
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Classes of Weak diuretics:
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Potassium-sparing diuretics and Carbonic anhydrase inhibitors
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Class of moderate diuretics:
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Thiazide diuretics
Damn good for HTN though. Damn Good I say |
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Classes of Strong diuretics:
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Loop diuretics and Osmotic diuretics
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Diuretics Useful in the Management of Cerebral edema
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Osmotic Diuretics
Mannitol |
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Diuretics Useful in the Management of CHF
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Loop and Potassium-Sparing Diuretics X 2
Thiazide X 1 |
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Diuretics Useful in the Management of Diabetes insipidus
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Thiazide and Related Diuretics
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Diuretics Useful in the Management of Epilepsy (convulsions)
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Carbonic Anhydrase Inhibitors
acetazolamide specifically |
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Diuretics Useful in the Management of Glaucoma
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Carbonic Anhydrase Inhibitors X 2
Osmotic Diuretics X 1 |
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Diuretics Useful in the Management of High-altitude sickness
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Carbonic Anhydrase Inhibitors X 2
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Diuretics Useful in the Management of Hyperaldosteronism
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Potassium-Sparing Diuretics
Specifically spirolactone and epeplerone |
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Diuretics Useful in the Management of Hypercalcemia
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Loop
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Diuretics Useful in the Management of Renal impairment
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Loop X 2
Thiazide and Osmotic X 1 |
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Diuretics Useful in the Management of Pulmonary edema
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Loop X 2
Thiazide and K Sparing X 1 |
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Diuretics Useful in the Management of Nephrolithiasis
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Thiazide
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Diuretics Useful in the Management of Hypokalemia
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Potassium-Sparing Diuretics
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Diuretics Useful in the Management of Hypertension
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Thiazide X 2
Potassium-Sparing Diuretics and Loop X 1 |
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Anticonvulsant Drugs for Preventing Migraine Headaches
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Valproate/topiramate
Gabapentin |
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Antidepressant (low dose) Drugs for Preventing Migraine Headaches
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Fluoxetine, Amitriptyline, and Doxepin
Be part of FAD get on antidepressants! |
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Calcium Channel Blocker Drugs for Preventing Migraine Headaches
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Verapamil (non-dihydropyridine) bradycardia!!!!!!!!
Nimodipine/ Nicardipine reflex tachycardia!!! |
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β-Adrenoceptor Antagonists for Preventing Migraine Headaches
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Propranolol, metoprolol, and Timolol
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ACE inhibitors/ARBs for Preventing Migraine Headaches
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Lisinopril/candesartan
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Other Drugs or Agents for Preventing Migraine Headaches
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Feverfew/ginger (mixed results), Vitamin B2 (Riboflavin)
Butterbur (an herb; (mixed results), Coenzyme Q10, Magnesium (especially in menstrual migraines) |
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Non-drug therapies for Preventing Migraine Headaches
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Biofeedback, relaxation therapy, Cognitive behavioral therapy, Yoga, acupuncture
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Antiemetics for nausea & vomiting associated with Migraine Headaches
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Metoclopramide/ prochlorperazine
Promethazine |
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Other drugs for Aborting Migraine Headaches
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Barbituates (butalbital)
Acetaminophen/codeine (Tylenol With Codeine #3) Sumatriptan-naproxen (more effective than either alone) |
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Nonsteroidal Anti-inflammatory Drugs for Aborting Migraine Headaches (may cause rebound headaches):
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Aspirin/ diclofenac
Ibuprofen/ naproxen/indomethicin Acetaminophen (pregnancy) Acetaminophen, caffeine, aspirin (Excedrin Migraine; ) |
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Serotonin 5-HT1D/1B Receptor Agonists for Aborting Migraine Headaches
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Dihydroergotamine (Dhe), Ergotamine, and a lot of triptans
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Anticonvulsant Drugs for Preventing Cluster Headaches
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Valproate/topiramate
Gabapentin |
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Calcium Channel Blockers for Preventing Cluster Headaches
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Verapamil
Nimodipine/ Nicardipine |
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Other Drugs or Agents for Preventing Cluster Headaches
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Lithium, Melatonin, Prednisone, Dexamethasone
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Drugs for Aborting Cluster Headaches
(Almost same as for migraine aborting) |
Dihydroergotamine (Dhe)
Ergotamine (with or w/o caffeine) Sumatriptan (sub-Q) Zolmitriptan (nasal spray) Naratriptan |
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Other Drugs for Aborting Cluster Headaches
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Oxygen (20 minutes via face-mask)
Lidocaine (intranasal via cotton swab) |
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What type of headache has severe retro-orbital pain with minimal sensory impact?
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Cluster
Prevent with Li or verapamil Abort with DHE, ergotamine, lidocaine, O2, sumatriptan |
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What type of headache is pulsatile and which is not pulsatile
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Migraines are pulsatile and tension headaches are not
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prolonged vasospasm leading to gangrene of extremities and bowel infarction are adverse effects of these ergot alkaloids combination and are contraindicated in PREGNANCY!
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ergotamine and ergonovine:
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