Hypertension Flashcards
What is the arbitrary definition of prehypertension?
- SBP 120-139
- DBP 80-89
What does fibromuscular dysplasia cause in young, female pts?
renal artery stenosis
Name 7 environmental factors that contribute to essential HTN.
- high dietary Na intake
- excess caloric intake
- EtOH
- stress
- sedentary lifestyle
- smoking
- low K+ or Ca++ intake
What is the prognosis for untreated malignant HTN?
renal failure in less than 1 year
What is the major determinant of ECF volume?
total Na content
What is renovascular HTN?
abnormal signal to release renin
What are the fundoscopic findings that indicate HTN-induced arteriolitis?
- flame shaped (striate) hemorrhages
- cotton wool spots (soft exudates)
- papilledema
What is secondary hyperaldosteronism?
increased renin secretion
What is naturesis?
renal Na excretion
Maligant HTN is characterized by necrotizing arteriolitis in the _____, _____, _____, and _____.
kidneys, retinas, heart, and CNS
What lifestyle modifications can reduce BP?
- weight reduction
- DASH diet
- dietary Na+ reduction
- physical activity
- moderation of EtOH
What is pheochromocytoma?
a benign tumor of the adrenal medulla causing excess catecholamines
What is the arbitrary definition of HTN?
- SBP>140
- DBP>90
Name some various factors contributing to secondary HTN.
- Cushings/Chronic steroid therapy
- pheochromocytoma
- 1a hyperaldosteronism
- coarctation of the aorta
- sleep apnea
- drug induced
- thyroid/parathyroid disease
What are the ABCDs of HTN treatment?
- A = ACEis and ARBs
- B = beta blockers
- C = Ca++ channel blockers
- D = diuretics