Hypertension Flashcards
What is Hypertension?
Hypertension (high blood pressure) is when the pressure in your blood vessels is too high (140/90 mmHg or higher).
Medical condition in which Constricted arterial blood vessel increase the resistance to blood flow, causing an increase in BP against the vessel walls.
Epidemiology of Hypertension?
- very common, prevalence 48% of adult in SA
- 2nd leading risk factor for death in SA.
- likely to cause cerebral haemorrhage, renal disease, left ventricular hypotrophy in African patients.
- CAD major outcome related to hypertension in people from white and indian communities
Hypertension defintions
Hypertension is higher 140/90mmHg
High normal qual>130-139/85-89mmHg*increased risk of developing hypertension.
hypertension emergency= life threating
hypertension urgency= symptomatic hypertension, NOT life threating.
White Coat hypertension= Elevated BP in a clinical setting and normal in other settings “scared of doctors.
What are the grades of hypertension
- 140-159/90-98mmHg
- 160-179/100-109mmHg
- equal >180/110mmHg
Classification of hypertension?
primary HP= Elevated BP w/t unknown cause. *
secondary= Elevated BP w/t specific cause.
What are the Signs and symptoms of hypertension?
- silent killler
- Asymptomatic
- fatigue
- dizziness
- blurred vision
- palpation
- angina
- difficulty breathing
What complications are associated with hypertension?
- CVS disease
- athlerosclerosis
- coronary artery disease
- stroke
- angina
- kidney damage
- heart failure
- cerebrovascular disease.
What are the clinical syndromes of hypertension?
- Asymptomatic
- Hypertension urgency
- hypertension emergency
- white coat hypertension
- Malignant hypertension
- Gestational hypertension
What is Gestational Hypertension?
Development of hypertension in pregnant women after 20 weeks of gestation. > 140/90mmHg
What are the risk factors associated with gestational hypertension?
- 1st pregancy
- prior kidney disease
- family history of gestational hypertension
- < 20 years or 40+
This can be managed either through early delivery, rest, lifestyle modif
What is Malignancy Hypertension?
a term that has been used to describe patients with elevated blood pressure (BP) and multiple complications (End organ damage) with a poor prognosis.
Severely elevated BP equal>180/110mmHg *hypertensive crisis
- high risk of complications, evidence of direct damage to one or more organs.
- mostly CVS, CNS, and renal system.
Dscribe the Pathology of Hypertension
Factors that can lead to HP;
1. Triggers
2. Genetics
3. Background
This then leads to the Natruresis and volume depletion that causes BP to rise vascular resistance. = development of hypertension.
How does one assess hypertension?
Determine whether the HP is due to lifestyle, co-existing, or genetics
Or if there is a target organ.
Describe the process of assessing Hypertension?
- Patient History
- Family Background
- Pre-existing disease
- Childhood
- Symptoms
- complications
- Pregnancies - Examination
- Management
- lifestyle changes through healthier diet, exercise and a low sodium intake.
How does one prevent Hypertension?
- screening in primary health care
- lifestyle modifications
- control risk factors
- monitor BP
- DASH diet