Final review 2 Flashcards
what causes left sided heart failure
chronic hypertension
gate keeper of the heart
AV node
AV node parts
atrial node
nodal (delay)
nodal-his
murmur
whooshing sound due to improper closing of the valves
t/f theres more mitochondria in heart muscle then skeletal muscle
T!
what area of the body does the heart sit in
in the mediastenum between sternum and spinal column
base of the heart sits…
posteriorly
difference between the atriums
right atrium has pectinate muscles left doesn’t
semilunar valves
between ventricles and pulmonary vessels
another name for frontal plane leads
hexaxial leads
AAA pain
lower back/umbilical
AAA greatest risk of rupturing
over 5cm
AAA type of pain
tearing pain
N/V
AAA clinical findings
urge to poop?
palpable mass in abdomen
harder to find in fatties
how are AAAs formed
atheroma damages aorta wall causing it to balloon out
what happens when an AAA ruptures
hypotension
where do DVTs begin
in the valve cusps a part of it can break off traveling upwards causing a PE
DVT clinical findings
calf pain
surface veins become visible
leg fatigue
redness/tenderness/warmth
what causes DVT
vessel wall injury
venous stasis
hypercoagulabiltiy
PVD
arteriosclerosis of femoral/peripheral arteries
decreases blood flow to the lower limbs
PVD clinical findings
numbness absent pedal pulses shiny/hairless skin change in colour coldness in leg/foot
6 ps of critical limb ischemia
pallor pain pulselessness parethesia paralysis polar
What is the purpose of the right and left bundle branches?
get pacemaker impulses quickly through the interventricular septum to the base
What is causing the blood flow problem with unstable angina?
a ruptured atherosclerotic plaque that is not completely obstructing arterial blood flow