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Pulse Pressure
Aka: Pulse Pressure
- Technique
- Difference between systolic and diastolic pressures
- Exam: Normal Pulse Pressure
- Range: 30-40 mmHg
- Causes: Widened (high) Pulse Pressure (>40 mmHg)
- Pathophysiology in Isolated Systolic Hypertension
- Suggests reduced large artery vascular compliance
- Best Blood Pressure marker for cardiovascular risk
- Causes
- Isolated Systolic Hypertension
- Aortic Regurgitation
- Thyrotoxicosis
- Patent Ductus Arteriosus
- Arteriovenous fistula
- Beriberi heart
- Aortic Coarctation
- Anemia
- Emotional state
- Causes: Narrowed Pulse Pressure (<30 mmHg)
- Pathophysiology in Hypovolemic Shock
- Sympathetic response to decreased circulating Blood Volume
- Diastolic Blood Pressure increase without systolic Blood Pressure increase
- Causes
- Tachycardia
- Severe Aortic Stenosis
- Constrictive Pericarditis
- Pericardial Effusion
- Ascites