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Hypertension - Coggle Diagram
Hypertension
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HTN in elderly
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Altered drug absorption, metabolism, and excretion
decreased blood follow to the gut, so they drugs are not being absorbed effectively
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Caution use of NSAIDS
Very real potential for adverse renal effects and hypeercalcemia, when NAIDs are combined with ACE
Complications
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Cardiac condition like left ventricular HF, congestive HF
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Drug therapy
Meds used to treat HTN either decrease volume that the ptt's heart is going to pump of decrease systemic vascular resistance.
Diuretics
Promote sodium and water excretion, this decreases plasma volume and reduced plasma volume and reduced vascular response.
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Potassium sparing
reduce sodium re-absorption in the distal tubule, thus decreasing potassium secretion
Aldosterone receptor blockers
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Direct vasodialtors
decrease BP by relaxing vascular smooth muscle contraction and reducing systemic vascular resistance
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Calcium channel blockers
increased sodium excretion and cause arterial basal dilation by preventing the movement of extra cellular calcium into the cells
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Classification of HTN
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Secondary
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Preeclampsia
HTN from pregnancy, is relieved when baby is born
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...can cause hypertrophy
Heart is working really hard, causing the heart muscles to be enlarged
When you have hypertrophy, the amount of ventricle space is diminished, creating decreased stroke volume: never ending cycle
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Patient ed
Follow-up care
See them monthly until their BP goal is reached, then every 3-6 months while they are stable =
ID, report, and minimize side effects of tx
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Sexual dysfunction
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warn ptt, and check for compliance
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Resistant HTN
Failure to reach goal BP in patients taking full doses of an appropriate 3-drug regimen, including a dieuretic
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Nursing...
Problems
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Potential for complications: stroke, MI
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Ambulatory BP Monitoring
Instruct the ptt to keep their arms still when the BP cuff starts to go, keep a diary