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6 Cards in this Set

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JVP-ASK ME
*Manometer of right atrial pressure.
* Function at waveform points: ASK ME:
• Atrial filling
• Systole
• Klosed tricuspid
• Maximal atrial filling
• Emptying of atrium
* S1 occurs with 'a' and 'c' wave, S2 occur with 'v' wave.
Distinguishing JVP from carotid
* Fills from above.
* Complex, double pulsation for each arterial pulse [if pt has normal sinus rhythm].
* Usually visible, but not palpable.
* Changes with posture [decreases as sit up more vertical].
* Moves on inspiration [decreases in healthy].
* Hepatojugular reflux.
Causes of elevated JVP
Too much fluid:
* Fluid overload [esp. IV infusion]
It's clogging up before gets to heart:
* SVC obstruction
Can't beat it out of the heart fast enough:
* RVF
* Bradycardia
* Constrictive pericarditis
* Pericardial effusion
* Tricuspid stenosis or regurgitation
Other:
* Hyperdynamic circulation
Dominant a wave
• Pulmonary stenosis
• Pulmonary hypertension
• Tricuspid stenosis
Cannon a wave
• Complete heart block
• Paroxysmal nodal tachycardia
• Ventricular tachycardia
Dominant v wave [easily heard]
• Tricuspid regurgitation