Chapter 39 Diuretics Open-Book Quiz‚ Chapter 39 1. Three uses of diuretics include treatment of hypertension‚ mobilization of edematous fluid‚ and used to prevent renal failure. 2. Aldosterone is the principal mineralocorticoid of the adrenal cortex; it stimulates reabsorption of sodium from the distal cortex. 3. Most diuretics share the same basic mechanism of action: they block sodium and chloride reabsorption. The greatest diuresis is produced by those drugs whose site of action
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Blood pressure is the measure of the pressure against the walls of the arteries. There are two forces that form blood pressure. One of the forces is created when the heart pumps blood into the arteries through the circulatory system. The other force is due to the arteries as they resist the flow of blood. Blood pressure is always stated in two numbers‚ systolic pressure and diastolic pressure. The higher number is systolic pressure which represents the pressure while heart contracts to pump the blood
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26/08/2013 CARDIOVASCULAR SYSTEM PHARMACOLOGY To generate the force that moves the blood through circulatory system 1 26/08/2013 Learning Objectives: After completing this chapter you should able to: •Name categories of cardiovascular drugs •Describe the therapeutics effects of drugs •Identify the side effects 2 26/08/2013 Heart & Blood Circulation 3 functional parts: • • • Cardiac muscle Conduction system Nerve supply Main Diseases CHF – Congestive heart failure
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the client. xii. Limit the use to 3-5 days. f. Beta-adrenergic agonists xiii. During asthma attack (beta 2) g. Coumadin xiv. Cat. X xv. Vitamin K antagonist xvi. PO h. Heparin xvii. HIGH risk IV xviii. Stim. Anti throm. II i. Lovenox xix. SQ in lovehandles xx. Adv. Face swelling j. Beta-blockers xxi. 1. Decrease heart rate‚ contract.‚ and conduction
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STUDY GUIDE FOR PRINCIPLES OF AUTONOMIC PHARMACOLOGY (Fall 2013) Drug-receptor Interactions Know general characteristics of signal-transducing receptors: Bind to a ligand (drug or endogenous molecule) Participate in a signaling cascade Distinguish from non-receptor-mediated drug action Graded or Dose-Response effects (vs. all-or-none) Understand “occupational theory” of drug action Molecular basis (ligand-receptor interaction) Mathematical description Occupational theory: Response = Max
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Mona Wang Lianrejo Sepnio Melatonin: Fad or Validity? Melatonin is a hormone produced in the brain that regulates sleep-wake cycles. Although it’s naturally produced in our bodies‚ pills can be purchased to aid with sleep. When the body senses darkness‚ it signals the production of melatonin‚ and decreases when more light is sensed. Melatonin is claimed to improve insomnia‚ sleep disorders‚ blindness‚ jet lag‚ high blood pressure‚ low blood platelets‚ and many more. Despite these claims‚ plenty
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➢ Diuretics ➢ (-Blockers ➢ ACE Inhibitors ➢ Angiotensin II-Receptor Antagonists ➢ Renin Inhibitors ➢ Calcium Channel Blockers ➢ (-Blockers 2) Antianginal Drugs ➢ Organic Nitrates ➢ (-Blockers ➢ Calcium Channel Blockers 3) Drug Treatment of Heart Failure ➢ Renin-Angiotensin System Blockers ➢ (-Blocker ➢ Diuretics
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retention but these undesirable side effects can be blocked by concominant use of a diuretic and a beta blocker. * Vasodilators aren’t a cure for high blood pressure; however‚ they can help control the condition. a. HYDRALAZINE * Causes direct vasodilation ‚ acting primarily on arteries and arterioles which results in decreased peripheral resistance * Usually taken with beta blocker propanolol to balance reflex tachycardia and diuretic to decrease sodium retention. * Onset of
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Test 3 cardiovascular Top of Form Question 1 Marks: 1 When reviewing patients’ histories‚ the nurse recognizes that which of the following patients would be likely candidates for drug therapy for cholesterol reduction? Choose one answer. a. A patient who has coronary heart disease and an LDL level of 165 mg/dL b. A patient who has coronary heart disease and an LDL level of 140 mg/dL c. A patient who has two risk factors and a low-density lipoprotein (LDL) level of 100 mg/dL
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water‚ reducing blood volume. 2.)Beta-blockers reduce the workload of the heart and open the blood vessels. 3.) Angiotensin-converting enzyme inhibitors help to relax blood vessel and the Angiotensin II receptor blockers also help relax blood vessels. 4.) Calcium channel blockers that help relax the muscles or your blood vessels‚ slow heart rate. Some additional medications that are sometimes used to treat high blood pressure include: alpha-blockers‚ alpha-beta blockers‚ central-acting agents‚ vasodilators
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