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76 Cards in this Set
- Front
- Back
Normal BP
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<120/ <80
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Pre-HTN
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120-139/ 80-89
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HTN Stage I
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140-159/ 90-99
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HTN Stage II
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160>/ 100>
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What determine HTN classification?
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BP classification and treatment is determine by the highest BP category of either the DBP or the SBP. Example: 142/102 = stage II; 120/60 = pre-HTN
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List the information that should be obtained in the medical history in the evaluation of a patient with hypertension.
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Three objectives: Assess lifestyle/ identify other Cardiovascular risk factors, Identifiable causes of high BP, Target organ Damage/CVD
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List the routine laboratory tests that should be performed before initiating specific therapy for hypertension and be able to explain why the tests are performed.
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ECG
Blood Glucose Urinalysis Hematocrit Serum Potassium Creatinine, Calcium Lipid Profile and Optional tests: measurement of Urinary Albumin excretion or Albumin/Creatinine ratio |
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Identify the major risk factors for cardiovascular disease
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HTN, Cigarette Smoking, obesity (BMI >30), physical inactivity, dyslipidemia, diabetes mellitus, Microalbuminuria, age (M >55, F > 65), Family hx of CVD
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Identify target organ damage
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L ventricular failure, angina or prior MI, prior coronary revascularization, heart failure, stroke or transient ischemic attack, chronic kidney disease, peripheral arterial disease, retinopathy
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Recommend appropriate therapy, either lifestyle modification or drug therapy, currently recommended by the JNC VII when provided a patient’s blood pressure classification is Normal
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Support lifestyle
PT w/o compelling indication = No antihypertensive drug indicated PT w/ compelling indication = Drug(s) for compelling indications only |
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Recommend appropriate therapy, either lifestyle modification or drug therapy, currently recommended by the JNC VII when provided a patient’s blood pressure classification is PreHTN
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Lifestyle modification
PT w/o compelling indication = No antihypertensive drug indicated PT w/ compelling indication = Drug(s) for compelling indications only |
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Recommend appropriate therapy, either lifestyle modification or drug therapy, currently recommended by the JNC VII when provided a patient’s blood pressure classification is HTN SI
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Lifestyle Modification
PT w/o compelling indication = Thiazide diuretic, ACEi, ARB, CCB PT w/ compelling indication = Drug(s) for compelling indication or combination, and Other antihypertensive drugs (ACEi, ARB, CCB) as needed |
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Recommend appropriate therapy, either lifestyle modification or drug therapy, currently recommended by the JNC VII when provided a patient’s blood pressure classification is HTN-SII
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Lifestyle modification
Two Drug combination for most (Usually Thiazide diuretic + ACEi, ARB, CCB) PT w/ compelling indication = Drug(s) for compelling indication Other antihypertensive drugs (ACEi, ARB, CCB) as needed |
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Why use Antihypertensive therapy?
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Antihypertensive drug therapy substantially reduces the risks of cardiovascular events and death.
Antihypertensive therapy has been associated with a reduction in stroke, myocardial infarction, and heart failure. |
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State the specific blood pressure goals recommended by the JNC VII.
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Uncomplicated Hypertension: <140/ <90
Hypertension w/ diabetes/renal disease: <130/<80 |
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List and describe the details of the lifestyle changes recommended by the JNC VII for the prevention and management of hypertension.
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Lose weight, Dash Diet, Reduce Dietary Sodium, Increase physical activity, moderate alcohol consumption
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State the known benefits of using drug therapy in the management of hypertension.
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Reducing blood pressure with drugs decreases cardiovascular morbidity and mortality
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Thiazide Diuretics
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Hydrochlorothiazide (HCTZ) Chlorthalidone (Hygroton)
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Loop Diuretics
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Furosemide (Lasix)
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Potassium-sparing diuretic
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Triamterene (Dyrenium or Maxzide) * contains HCTZ *
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Aldosterone Antagonist
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Spironolactone (Aldactone)
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Adrenergic Inhibitors Peripheral Agents
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Reserpine (Serpasil)
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Adrenergic Inhibitors Central Alpha Agonist
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Clonidine (Catapres)
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Alpha-1 Blockers
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Doxazosin (Cardura)
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Cardioselective beta-blocker
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atenolol (Tenormin)
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Non-specific beta-blocker
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propranolol (Inderal)
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Combined Alpha-Beta blocker
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Carvedilol (Coreg)
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Direct vasodilators
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Minoxidil (Loniten)
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Calcium Channel Blockers Non-Dihydropyridines
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Verapamil long-acting (Calan SR, Isoptin SR), Diltiazem extended release (Cardizem CD, Dilacor XR, Tiazac)
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Calcium Channel Blockers Dihydropyridines
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Amlodipine (Norvasc)
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ACE inhibitors
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Lisinopril (Prinivil, Zestril)
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Angiotensin II Receptor Blockers
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Valsartan (Diovan)
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Adverse side effects of Thiazide Diuretics
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short-term increase in cholesterol and glucose levels, decreased serum levels of K+, Na+, Cl-, Mg2+, increased serum levels of uric acid and Ca2+
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Adverse side effects of Loop Diuretics
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short-term increase in cholesterol and glucose levels, decreased serum levels of K+, Na+, Cl-, Mg2+, increased serum levels of uric acid, EXCEPT furosemide decreases serum Ca2+
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Adverse side effects of Potassium-sparing diuretic
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Hyperkalemia, especially w/ impaired renal fxn
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Adverse side effects of Aldosterone Receptor Blockers
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hyperkalemia, gynecomastia
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Adverse side effects of Adrenergic Inhibitors Peripheral Agents (reserpine)
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nasal congestion, sedation
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Adverse side effects of Adrenergic Inhibitors Central Alpha Agonist (clonidine)
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sedation, dry mouth, lethargy, bradycardia,
withdrawl rebound HTN (always tapper this drug, DO NOT stop abruptly) impaired cognitive fxn in elderly PT |
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Adverse side effects of Alpha-1 Blockers
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Postural HTN, especially after the first dose and in the elderly or diabetic PT due to impaired autonomic nervous system fxn
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Adverse side effects of Beta-Blockers
(Even cardioselective beta-blockers can cause problems resulting from blocking beta-2 receptors at higher doses) |
Bronchospasm
Bradycardia Heart failure May Masked insulin-induced hypoglycemia and delay recovery time Impaired peripheral ciruclation insomnia, fatigue impaired cognitive fxn in elderly PT decreased exercise tolerance sexual dysfunction |
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Adverse side effects of Combined Alpha-Beta blocker
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posterual hypotension, same as beta-blockers and alpha-blockers
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Adverse side effects of Direct vasodilators
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orthostatic hypotension (elderly PT), headaches, fluid retention, tachycardia, hirsutism (used in tx for baldness)
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Adverse side effects of Calcium Channel Blockers Non-Dihydropyridines
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Verapamil long-acting: slowed cardiac conduction, worsening of systolic fxn in heart failure, constipation
Diltiazem extended release: slowed cardiac conduction, worsening of systolic fxn in heart failure |
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Adverse side effects of Calcium Channel Blockers Dihydropyridines
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Amlodipine: ankle edema, flushing, headache
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Adverse side effects of ACE inhibitors
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cough, hyperkalemia, angioedema, rash, loss of taste;
Contraindicated: pregnancy (may cause teratogenesis) |
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Adverse side effects of Angiotensin II Receptor Blockers
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hyperkalemia; Contraindicated: pregnancy (may cause teratogenesis)
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appropriate monitoring parameters for Diuretics
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Chem-7, BP
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appropriate monitoring parameters for Aldosterone Receptor Blockers
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Chem-7, BP
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appropriate monitoring parameters for Adrenergic Inhibitors Peripheral Agents
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BP, question PT about adverse effects
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appropriate monitoring parameters for Adrenergic Inhibitors Central Alpha Agonist
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BP, ECG, question PT about adverse effects
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appropriate monitoring parameters for Alpha-1 Blockers
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BP (sitting and standing), question PT about adverse effects
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appropriate monitoring parameters for Beta-Blockers
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BP, ECG, question PT about adverse effects
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appropriate monitoring parameters for Combined Alpha-Beta blocker
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BP, ECG, question PT about adverse effects
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appropriate monitoring parameters for Direct vasodilators
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BP, question PT about adverse effects, physical assessment
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appropriate monitoring parameters for Calcium Channel Blockers Non-Dihydropyridines
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BP, ECG, question PT about adverse effects
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appropriate monitoring parameters for Calcium Channel Blockers Dihydropyridines
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Amlodipine: BP, question PT about adverse effects, physical assessment
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appropriate monitoring parameters for ACE inhibitors
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Chem-7, BP, question PT about adverse effects, physical assessment
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appropriate monitoring parameters for Angiotensin II Receptor Blockers
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Chem-7, BP
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Initial Drug therapy required for Heart Failure
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Diuretics, Beta Blocker, Angiotensin Converting Enzyme Inhibitors, Angiotensin receptor blockers, aldosterone antagonists
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Initial Drug therapy required for Post-myocardial infarction
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BB, ACEi, Aldosterone antagonists
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Initial Drug therapy required for High coronary disease risk
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diuretics, BB, ACEi, Calcium Chanel blockers
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Initial Drug therapy required for Diabetes
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Diuretics, BB, ACEi, ARB, CCB
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Initial Drug therapy required for Chronic Kidney Disease
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ACEi, ARB
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Initial Drug therapy required for Recurrent Stroke prevention
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Diuretics, ACEi
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Identify appropriate treatment considerations for Minorities
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differential responses are largely ELIMINATED by drug combinations that include adequate doses of a diuretic
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Identify appropriate treatment considerations for Elderly
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initiate drugs at lower doses (to avoid symptoms); however, standard doses and multiple drugs are needed in the majority of elderly people to achieve goal BP
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Identify appropriate treatment considerations for Postural HTN
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BP should be monitored sitting and standing; caution to avoid volume depletion and excessively rapid dose titration
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Identify appropriate treatment considerations for Hypertensive urgency
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ideally managed by adjusting maintenance therapy (adding new antihypertensive or increasing dose of present medication) → gradual reductions of BP are preferred to reduce risk of Cerebrovascular Accident, MI, acute kidney failure
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Identify appropriate treatment considerations for Hypertensive Emergency
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initial target is a reduction in Mean Arterial Pressure of up to 25% w/in minutes to hours → if then stable, BP can be reduced towards 160/110-100 within next 2-6 hours. If tolerated well reduction toward goal BP can be initiated over 24-48 hours
IV agents used to manage a hypertensive emergency: nitroprusside (agent of choice in most w/ chronic kidney disease), nitroglycerin, and nicardipine. |
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Select appropriate antihypertensive therapy for PT with Ischemic Heart Disease w/ HTN and Stable Angina
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the first drug of choice is usually Beta Blocker, alternatively, long acting CCBs can be used
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Select appropriate antihypertensive therapy for PT with acute coronary syndromes (unstable angina)
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HTN should be treated initially w/ Beta Blockers and Angiotensin Converting Enzyme Inhibitors
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Select appropriate antihypertensive therapy for PT with Post-myocardial infarction
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ACEIs, BBs, and aldosterone antagonists have proven to be most beneficial
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Select appropriate antihypertensive therapy for Asymptomatic PT with demonstrable ventricular dysfunction
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ACEIs and BBs are recommended
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Select appropriate antihypertensive therapy for Symptomatic PT with ventricular dysfunction or end-stage heart disease
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ACEIs, BBs, ARBs and aldosterone blockers are recommended along with loop diuretics
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Select appropriate antihypertensive therapy for PT with Diabetic HTN
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ACEIs and ARBs have demonstrated favorable effects on the progression of diabetic and non-diabetic renal disease
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Select appropriate antihypertensive therapy for PT with Advanced renal disease
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increasing doses of loop diuretics are usually needed in combination with other drug classes. A loop diuretic should be selected instead of a Thiazide.
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