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 "PQRST"

• Pericardial effusion, Pulmonary embolism, Pulmonary hypertension (chronic)
• Quantity of fluid is more (fluid overload)
• Right heart failure
• Superior venacaval obstruction (distended veins without pulsation)
• Tricuspid regurgitation, Tricuspid stenosis, Tamponade (cardiac)

Or, "EC PQRST"  (based on the structural abnormality)

• Pulmonary embolism, pericardial effusion
• Cannon waves

• Constrictive pericarditis
• Quantity of fluid is more (fluid overload)
• Tricuspid regurgitation
• Pulmonary stenosis, Tricuspid stenosis
• Cardiac tamponade

Did you know?

Atrial contraction against a closed tricuspid valve results in a large venous pulsation, called a 'Cannon wave'. It can occur in instances of atrioventicular dissociation, for example, complete heart block.