cardio2 Flashcards
IJV vs carotid pulse
venous pulse: biphasic, varies with position (angle of recline), height falls on inspiration, non-palpable/collapsible, abdominal pressure displaces pulse upward
-carotid pulse: single sharp wave, palpable/non-compressible
observing neck veins
look at IJV (better than EJV)
- find meniscus: for normal patients, angle of recline is 30-45 degrees
- for patients with increased CVP, angle of recline is increased
- for patients with decreased CVP, angle of recline is decreased
calculating CVP
CVP=JVP+5
jugular venous pulse waveforms
A wave: R. atrial contraction (large A waves seen with tricuspid stenosis, pulmonic stenosis, pulmn HTN, 1st degree AV block, supraventricular tachycardia)
- X descent: R atrial relaxation
- V wave: R atrial filling (larve V waves seen with tricuspid regurgitation, constrictive pericarditis)
- Y descent: R atrial emptying/opening tricuspid valve
Kussmaul’s sign
- increased JVP with inspiration due to impaired R. ventricular fililng (normally dec. JVP on inspiration)
- Causes: constrictive pericarditis, restrictive cardiomyopathy, pericardial effusion, R. heart failure, cardiac tumor, tricuspid stenosis
Lancisi’s sign
- seen in tricuspid regurgitation
- a and v waves merge into single wave (lose biphasic wave)
- can flicker ear lobes
clinical presentation tricuspid regurgitation
- lancisi’s sign
- hepatic pulsatility
abdominojugular reflux
- if you see hepatic pulsatility but not lancisi’s sign, push on abdomen for 15 seconds–>positive if you see IJV bulge
- if patient is asymptomatic=R. ventricular failure
- if patient is symptomatic=biventricular heart failure
L ventricular heart failure presents with…
- positive hepatojugular reflux
- crackles
- S3 gallop
- lateral displacement of PMI
hyperkinetic pulses
- if pulse pressure is normal: MR, VSD, HOCM
- if pulse pressure is widened: AR, anemia, pregnancy, thyrotoxicosis
pulsus parvus def
pulse of small amplitude
pulsus tardus def
pulse with slow upstroke
pulsus parvus + pulsus tardus
aortic stenosis
pulsus parvus but NO pulsus tardus
cardiomyopathy (dec. LV contraction)
mitral stenosis
pulsus bisferiens
double peaked pulse
assoc with single PMI
due to aortic regurgitation
bifid pulse
double peaked pulse triple PMI (triple ripple) due to hypertrophic obstructive cardiomyopathy (HOCM)
normal location of PMI? where is it displaced in pressure load? volume load?
- normal: L 5th ICS, MCL
- volume load: displaced down and laterally (MR, AR, L heart failure)
- pressure load: displaced up and medially (AS, HTN)
What does it mean if your the size of PMI is increased?
normally ~1cm
enlarged if >2.5cm
indicates L. Ventricular enlargement