Cardiovascular Medicine Book

Coronary Artery Disease

Congestive Heart Failure

Circulatory Disorders

Electrocardiogram

Valvular Disease

Hypertension

Physiology

Hypotension

Pediatrics

Symptoms

Vitals

Dermatology

Pericardial Disorders

Pharmacology Chapter related topics

//fpnotebook.com/

Pericardial Friction Rub

Aka: Pericardial Friction Rub
  1. Pathophysiology
    1. Pathognomonic for Pericarditis
    2. Occurs when heart rubs against pericardial sac
  2. Signs
    1. Three phase sound (classic triphasic sound in only 50% of cases)
      1. Atrial systole
      2. Ventricular systole
      3. Ventricular diastole
    2. Transient scratching sound
      1. Rasping sound of leather rubbing against leather
    3. Timing
      1. Transient - requires multiple attempts at auscultation
    4. Locations to best hear friction rub
      1. Apply stethoscope diaphragm to left lower sternal border
      2. Patient leaning forward
      3. At end of exhalation
  3. Differential Diagnosis
    1. Pleuritis
      1. Monophasic rub during respiration
  4. Efficacy
    1. Test Sensitivity: 85%
    2. Test Specificity: 100% for Acute Pericarditis
  5. References
    1. Spodick (1975) Am J Cardiol 35: 357-62 [PubMed]

You are currently viewing the original 'fpnotebook.com\legacy' version of this website. Internet Explorer 8.0 and older will automatically be redirected to this legacy version.

If you are using a modern web browser, you may instead navigate to the newer desktop version of fpnotebook. Another, mobile version is also available which should function on both newer and older web browsers.

Please Contact Me as you run across problems with any of these versions on the website.

Navigation Tree