A case of severe hypertension Flashcards
List the causes of hypertension.
Essential. Phaeochromocytoma. Cushings. Conn's. Acromegaly. Renal artery stenosis.. Co-arctation of the aorta.
What is the management plan for phaechromocytoma?
Rehydrate if dehydrated. Alpha blockade. Beta blockade. Localise the lesion. Surgery (laparoscopic adrenalectomy).
Case: 45y/o bank executive, BMI 31.5, unfit and wants to join a gym, smokes 30/day, BP 200/120, alcohol 1 glass wine daily, nil drugs. Is this man a) normal BMI b) overweight c) obese d) severe obesity e) morbid obesity?
Obese.
Case: 45y/o bank executive, BMI 31.5, unfit and wants to join a gym, smokes 30/day, BP 200/120, alcohol 1 glass wine daily, nil drugs.
What would you advise his PT at the gym?
a) encourage regular exercise
b) ban him from doing any exercise at all and recommend rest and repeat of his BP
c) advise him to see his GP before allowing him to exercise at the gym
d) refer him to casualty for BP control.
Encourage regular exercise.
Should subsequently see GP for BP control.
What do you see on fundoscopy of grade 1 hypertension?
Silver wiring.
What do you see on fundoscopy of grade 2 hypertension?
Silver wiring.
AV nipping.
What do you see on fundoscopy of grade 3 hypertension?
Silver wiring.
AV nipping.
Flame haemorrhage.
What do you see on fundoscopy of grade 4 hypertension?
Silver wiring. AV nipping. Flame haemorrhage. Papilloedema. Cotton wool spots and hard exudates.
What does hypertensive retinopathy suggest?
Hypertension is severe and prolonged.
Case: renin 0.4units (1.1-4.5). aldosterone 1600nmol/L (100-450). 24hr urine for catecholamines normal. Patient did not look Cushingoid or Acromegaloid. What is the cause of this patient's hypertension? a) essential hypertension b) renal artery stenosis c) Cushing's syndrome d) phaeochromocytoma e) Conn's syndrome.
Conn’s syndrome.
Case: renin 7.4units (1.1-4.5). aldosterone 900nmol/L (100-450). 24hr urine for catecholamines normal. Patient did not look Cushingoid or Acromegaloid. What is the cause of this patient's hypertension? a) essential hypertension b) renal artery stenosis c) Cushing's syndrome d) phaeochromocytoma e) Conn's syndrome.
Renal artery stenosis.
Case: renin 2.4units (1.1-4.5). aldosterone 300nmol/L (100-450). 24hr urine for catecholamines raised. Patient did not look Cushingoid or Acromegaloid. What is the diagnosis? a) essential hypertension b) renal artery stenosis c) Cushing's syndrome d) phaeochromocytoma e) Conn's syndrome.
Phaeochromocytoma.
What is the first therapeutic step in a patient with phaeochromocytoma?
a) alpha blockade
b) beta blcokade
c) calcium antagonist
d) ACE inhibitor
e) bendofluazide.
Alpha blockade.
Case: 65y/o man with a previous MI has BP 140/80 on atenolol.
What would you do?
a) leave on atenolol to 140/80
b) add a thiazide diuretic to 120/80.
Add a thiazide diuretic to reduce BP to 120/80.