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Cardio Lecture 3
Lecture 3
219
Medical
Graduate
09/25/2015

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Term
Exercise Improves: peripheral...
Definition
vascular efficiency
Term
Exercise Improves: control of this condition
Definition
DM
Term
Exercise Improves: increases this fat
Definition
HDL
Term
Overweight BMI range
Definition
25-29.9
Term
Obese BMI range
Definition
30+
Term
BMI (imperial measurements)
Definition
[(lbs)/(in^2)] * 703
Term
Men's waist size should not exceed
Definition
40"
Term
Women's waist size should not exceed
Definition
35"
Term
People should increase intake of good fats, with good sources such as (2)
Definition
fish, legumes
Term
people should increase intake of high soluble fiber as it does what?
Definition
pulls LDL through the GI system before it is absorbed
Term
which carbs are the ones adding to plaque formation
Definition
processed carbs
Term
fat spectrum: best
Definition
mono
Term
fat spectrum: 2nd best
Definition
poly
Term
fat spectrum: 3rd
Definition
saturated fats
Term
fat spectrum: worst
Definition
trans fats
Term
essential lipoprotien needed for cell wall generation
Definition
cholesterol
Term
cholesterol is an essential lipoprotein needed for what
Definition
cell wall generation
Term
how does cholesterol get into the body
Definition
produced in the body, introduced from the foods that we eat
Term
what is the good cholesterol
Definition
hdl
Term
what is hte bad cholesterol
Definition
LDL
Term
reducing fats in the diet can only reduced cholesterol levels by how much?
Definition
10-15 mg
Term
which fat intake would increase cholestserol bulid up
Definition
saturated fats
Term
as a whole, what will have more cholesterol? animal or vegetable products?
Definition
animal
Term
lipoproteins manufcatured from sugars and carbss
Definition
triglycerides
Term
hyperlipiedemia is diagnosed as an excess of what any 4 measurements?
Definition
triglycerides, cholesterol, HDL's, Ratio
Term
Lipid profiels are often drastically reduces immediately after what?
Definition
a major medical event such as MI or surgery and therefore unreliable to measure after such events
Term
Why are lipid profiles unreliable post MI or surgery?
Definition
lipid profiles are often drastically reduced after such events
Term
Gender to have silent or undiagnosed episodes
Definition
women
Term
when do risk profiles for the 2 genders equlaize?
Definition
around 60
Term
8 risk factors
Definition
smoking, physical inactivity, obesity, nutritiion, HBP, dieatery fat/blood lipids, elevated glucose levels, alcohol
Term
How much exercise per week to stall progression of CAD
Definition
1600 kcal/week
Term
1600 kcal of exercise per week is equivalent to what
Definition
moderate walking 30 mins/day 3 days/week. needs to be breathign heavy
Term
how much exercise is needed to regress CAD
Definition
2200 kcal of exercise per week
Term
For every 1 MET level that a person can increase their exercise capacity, how much does it decrease mortality rate?
Definition
10%
Term
how many METS is daily activity
Definition
2.5 METS
Term
How vigorous does exercise have to be?
Definition
only moderate, 30 mins 3x week
Term
Big 3 in diet control
Definition
saturated fats, sugars, processed carbs
Term
2 other factors for diet control
Definition
salt, cholesterol
Term
good sources of polyunsatured fats (3)
Definition
fish, vegetables, low fat dairy
Term
Which fats should have a limited intake?
Definition
saturated/trans
Term
examples of good lean proteins
Definition
low fat dairy, greek yogurt, nuts, low fat chicken, lean beef, turkey pork
Term
Hyperlipidemia: triglycerides
Definition
>185 mg/dcl
Term
Hyperlipidemia: cholesterol (total)
Definition
>280 mg/dcl
Term
Hyperlipidemia: HDL's
Definition
<35 mg/dcl
Term
Hyperlipidemia: ratio
Definition
total cholesterol/HDL's should be greater than 4.5
Term
why did women increase their risk of CAD
Definition
they went to work (higher stress levels, worse food intake)
Term
when do women's risk of CAD catch up to mens?
Definition
menopause
Term
why do women's risk for CAD increase after menopause
Definition
estrogen levels go down
Term
#1 race at risk for CAD
Definition
african american
Term
#2 race at risk for CAD
Definition
Latino/Hispanics (NA/Central American populations)
Term
#3 race at CAD risk
Definition
native americans
Term
#4 race at CAD risk
Definition
Caucasians/Asians/Mieddle Eastern/Person about equal
Term
race at least risk
Definition
pacific asian
Term
why would a race not at risk, have increased risk after moving to the USA
Definition
changes from native diet to AMerican-ized diet
Term
what needs to be reduced to reduce stress effectively?
Definition
stress and anxiety
Term
important note about stress relief
Definition
variety of options, doesn't need to just be exercise
Term
lecture 3b
Definition
Term
normal white blood cell count
Definition
4500-11,000 uL
Term
K+ values to be considered hyperkalemia
Definition
>5.0 mmol/L
Term
K+ values to be considered Hypokalemia
Definition
<3.5 mmol/L
Term
NA++ normal
Definition
136-143 mmol/L
Term
Ca+ normal
Definition
4-5-5.3 gm/dL
Term
what would a high CO2 blood value be considered?
Definition
>30 mmHg
Term
a high CO2 value can result in what?
Definition
alkalytic state of muscle weakness
Term
12 lead done in cardiac clinics or MD's office
Definition
EKG
Term
purpose of an EKG
Definition
show potential arrhythmias
Term
when is a holter monitor used?
Definition
after syncope or repeated arrhythmias
Term
24 hour period of EKG using a journal to report activity and s/s
Definition
holter monitor
Term
ultrasound of the heart
Definition
echocardiography
Term
strength of echocardiography being a measure of wall motion
Definition
it is noninvasive
Term
echocardiography provides information regarding (3)
Definition
valve function, size of the ventricles, thickness and integrity of the interarterial and interventricular septums
Term
echocardiography also shows this potential feature of the wall
Definition
hypertrophy
Term
echocardiography can also give you this value
Definition
ejection fraction
Term
what are the limitations of an echo?
Definition
posterior wall structure and motion due to interference from spinal bone
Term
type of exercise stress test which uses a radioactive nuclear marker for detection of myocardial perfusion
Definition
thallium stress test
Term
a thallium stress test is used to detect what?
Definition
myocardial perfusion
Term
a thalium stress test can look at this by assessing thallium in blood flow thorugh the myocardial tissue
Definition
ischemia
Term
coronoary angiography aka (2)
Definition
cardiac catheritiziation, angiogram
Term
danger of coronary angiography
Definition
invasive procedure with a 2% risk of stroke
Term
arteres used for cardiac cath
Definition
femoral, radial
Term
cardiac cath is used after (4)
Definition
angina, acute MI, (+) stress test, (+) echo
Term
CAD blockages up to what percent may be considered mild and may be asymptomatic
Definition
70%
Term
post cardiac cath and pt is OOB what should be watched for?
Definition
hematoma
Term
what are the s/s of a hematoma at the cardiac cath site?
Definition
bleeding at the site, drop in BP, dizziness, weakness
Term
echocardiogram where the ultrasound head is fiber optic and is threaded down the pt's esophagus
Definition
trans esophageal echocardiogram (TEE)
Term
PET
Definition
positron emission tomography
Term
PET is waht type of technique?
Definition
nuclear
Term
PET provides a direct measurement of what to to the heart (general)
Definition
metabolic functions
Term
PET provides a direct measurement of metabolic functions to the heart including (3)
Definition
glucose metabolism, fatty acid metabolism, and blood flow
Term
PET is also able to measure what else (not metabolic functions)
Definition
dynamic functioning of the myocardium without inducing exercise state
Term
Benefit of a PET
Definition
gives a 3-d view of the heart
Term
Cons of a PET
Definition
expensive AF, not always available
Term
non-invasive technique to calcualte left ventricular ejection fraction
Definition
MUGA-Multigated acquisition imaging or gated pool imaging
Term
How does MUGA work?
Definition
uses multiple EKG views to look at EF
Term
What is a graded excercise stress test sued to asses for? (2)
Definition
patient's exercise tolerance and ischemia
Term
most common graded exercise stress test
Definition
bruce protocol
Term
more gradual graded exercise stress test
Definition
naughton-balke
Term
Stress test is stopped for what EKG changes (3)
Definition
>2mm ST segment depression, inverted T wave, significant Q wave
Term
Stress test would be stopped for what S/S
Definition
anginal symptoms, extreme dyspnea (3-4 on dyspnea scale), LE fatigue
Term
PTCA
Definition
percutaneous transluminal coronary angioplasty
Term
purpose of a PTCA
Definition
compress the lesion against the arterial wall
Term
what occurs before a stent placement
Definition
ptca
Term
where is the stent in relation to the PTCA catheter
Definition
around the tip of the cath
Term
after the PTCA compresses the lesion, what happens next?
Definition
stent is put in place to maintain luminal diameter
Term
Precautiosn following PTCA and/or stent once you initiate activity
Definition
follow vitals and EKG closely, watch for signs of intolerance ot activity
Term
CABG
Definition
coronary artery bypass graft
Term
what happens to the graft artery for a CABG
Definition
harvested and then attached above and below the area of atherscelrosis
Term
artery commonly used for CABG grafts (2)
Definition
Left internal mammillary artery, radial artery
Term
vein commonly used for CABG
Definition
saphenous vein
Term
which artery is preferred to be used for CABG
Definition
LIMA for best long term results secondary to resistance to graft stenosis
Term
Precautions following CABG: day of surgery
Definition
bed rest
Term
Precautions following CABG: day 1 after surgery and each day after: restrictiosn (2)
Definition
UE restrictiosn imposed by surgeon, activity restriction d/t line or monitoring equipment
Term
Precautions following CABG: day 1 after surgery and each day after: s/s
Definition
follow vitals and EKG closely, watch for signs of intolerance to activity
Term
pacing systems of a pacemaker
Definition
unipolar or bipolar
Term
pacemaker are used with what?
Definition
SA arrhythmias, AV node disorders
Term
AV node disorders used with a pacemaker
Definition
2 degree Mobitz II, or 3 degree heart block
Term
Pacemaker Code: first letter
Definition
indicates chamber being paced
Term
Pacemaker Code: 2nd letter
Definition
indicates the chamber being sensed
Term
Pacemaker Code: 3rd letter
Definition
indicates the response to sensing
Term
Pacemaker Code: 4th letter
Definition
indicates the programmability
Term
Pacemaker Code: 5th letter
Definition
indicates any anti-tachyarrhythmia function
Term
do i pods interfere with the function of pacemakers?
Definition
no
Term
do ipods cause telemetry interference with pacemakers?
Definition
yes
Term
AICD
Definition
artificial implantable cardiac defibrillator
Term
why would an AICD be implanted?
Definition
detect and correct ventricular fibrillation and bradycardia
Term
An AICD can work in conjuction with what other device?
Definition
pacemaker
Term
function of the ACID
Definition
corrects lifethreatning arrhythmias
Term
precautions following pacemaker or AICD once you initiate activity: restrictions
Definition
UE restrictions imposed by surgeon (especially AD or WC use), activity restrictions d/t lines or monitoring equipent
Term
precautions following pacemaker or AICD once you initiate activity: s/s
Definition
follow vitals and EKG closely, watch for signs of intolerance to activity
Term
purpose of an electrophysioloic ablation
Definition
to see if a specific spot of the heart is initating the arrhytmia
Term
length of time for an electrophysiologic ablation
Definition
1 day or overnight procedure
Term
purpose of an electrophysiologic ablation
Definition
without active tissue at that spot, the arrhythmia should be elminated
Term
an atrial/ventricular septal defect can be a result of what?
Definition
congential, or from tumor
Term
usual candidates for valve replaecment
Definition
aortic, mitral
Term
secondary candidates for valve replacement
Definition
tricuspid, or pulmonary valves
Term
what are teh materials used for a valve repalcement
Definition
artificial (metal) or a natural valve (bovine, porcine)
Term
Precautions following septum repair or valve replacement: day of surgery
Definition
bedrest
Term
Precautions following septum repair or valve replacement: day 1 after surgery and each day after: restrictions
Definition
UE restricitons imposed by surgeon, activity restrictions d/t lines or monitoring equipment
Term
Precautions following septum repair or valve replacement: day 1 after surgery and each day after: s/s
Definition
follow vitals and EKG closely, watch for signs of intolerance to activity
Term
candidates for heart transplantation
Definition
patients with progressive, terminal, cardiovascular disease
Term
2 types of heart transplant
Definition
orthotopic, hetertopic
Term
more common type of heart transplant
Definition
orthotopic
Term
describe the orthotopic transplant
Definition
original heart is removed and the donor heart replaces it. part of the original heart's bilateral atria are left. Donor heart is grafted right atrium to right atrium, and left atrium to left atrium
Term
describe the hetertopic transplant technique
Definition
original heart is left in place and the transplanted heart is placed on the opposite side of the chest and attached to the original. attached atria to atria and ventricle to ventricle
Term
heterotopic transplant aka
Definition
piggyback technique
Term
important precaution following heart transplant
Definition
restrictions regarding exposure to other patients
Term
PTCA is now being written as what?
Definition
PCI percutaneous coronary intervention
Term
purpose of knowing diagnostic tests as a PT? (3)
Definition
when will it be prescribed? what type of presentation will the pt have for it to be rx? what are the results/what do they mean?
Term
purpose of cardiac enzyme blood tests
Definition
RI/RO MI
Term
normal hematocrit for females
Definition
37-47%
Term
normal hematocrit for males
Definition
40-54%
Term
hemoglobin normal for women
Definition
12-16 g/dcl
Term
normal hemoglobin for men
Definition
13-18 g/dcl
Term
calcium's role as an ion
Definition
helps sodium get in
Term
potassium's role as an ion
Definition
keep sodium out
Term
danger of hyperkalemia
Definition
keeps sodium out therefore decreases myocardial contractility
Term
danger of hypokalemia
Definition
lets sodium in, life threatening tachycardic arrythmias
Term
location of leads for EKG
Definition
6 electrodes on chest, 1 on each wrist, 1 on each ankle
Term
what is an EKG used for?
Definition
measure disease progression, effectiveness of a tx, specific arrythmias that are causing symptoms
Term
how can an EKG be used to RI/RO an MI?
Definition
based on arythmia change
Term
number of electrodes for a holter monitor
Definition
5
Term
an echocardiogram can be used to detect what (3)
Definition
valve dysfunction/malformation, size of ventricles (dilation, hypertrophy), abnormal masses on heart
Term
limitations of an echocardiography
Definition
obesity or excessive fatty tissue on chest
Term
an echocardiogram is used after (4)
Definition
after MI, CHF, unstable angina/syncope, cardiomyopathy
Term
why is an echocardiogram used after a MI
Definition
detect akinesis, hypokinesis
Term
why is an echocardiogram used for CHF
Definition
see if ventricles are staying the right size
Term
why is an echocardiogram used for unstable angina/syncope
Definition
see if something is going on within the heart
Term
why is an echocardiogram used for cardiomyopathy
Definition
assess disease and tx
Term
coronary angiography is the definitive dx for what (3)
Definition
CAD, valvular dysfunction, congenital defects
Term
protocol for bed rest following femoral artery entry for a cardiac cath
Definition
minimum of 6 hours up to 12 hours with something giving massive pressure over the femoral artery to avoid hemorrhage
Term
TEE is specifically used when?
Definition
posterior wall of heart exam is desired, could not use a regular echo on a person d/t obesity/fatty tissue
Term
Graded Exercise Stress Test is used when (5)
Definition
ischemic symptoms on exertion/rest, dyspnea on exertion, suspicion of CAD, risk stratification, see if arrythmia worsens exertion
Term
Graded Exercise Stress Test is used when (5)
Definition
ischemic symptoms on exertion/rest, dyspnea on exertion, suspicion of CAD, risk stratification, see if arrythmia worsens exertion
Term
an ST segment depression during a graded ex stress test is indicative of what
Definition
ischemia
Term
an inverted T wave or significant Q wave are indicative of what during an graded ex stress test?
Definition
beginning of an MI
Term
what is important to note about the plaque after a PTCA
Definition
it is still there, just compressed
Term
what is a PTCA used for?
Definition
moderate athersclerosis or a blockage in 1 or 2 aa
Term
stents are now _____ to make sure less plaque builds up on them
Definition
radioactive
Term
following a PTCA and/or stent what should the EKG be examined for?
Definition
arrythmias
Term
stents and bypass surgery are not open heart but....
Definition
open chest
Term
when is a CABG used?
Definition
moderate to severe CAD, when a stent would not be useful
Term
what must be done with the saphenous vein for a CABG
Definition
turn it backward or flip it inside out to eliminate the valves
Term
why would a pacemaker be used for SA arrythmias?
Definition
incorrect depolarization of the SA node
Term
Pacemaker code: A
Definition
atrial
Term
pacemaker code V
Definition
ventricular
Term
pacemaker code D
Definition
dual
Term
which letter of the pacemaker code is the most important to the PT?
Definition
4th
Term
why is the 4th letter of the pacemaker code the most important for a PT?
Definition
rate modulation. says whether the heart will be able to pace high with exercise d/t pacemaker's rate modulation
Term
which side is a pacemaker usually placed?
Definition
non-dominant side
Term
cauterization of the tissue so that the area will not cause electrical activity at that spot
Definition
ablation
Term
a valve replacement can also be...
Definition
a valve repair
Term
valve replacement can be d/t what
Definition
valve insufficiency, valve stenosis
Term
most of the precuations following a valve replacement are d/t what
Definition
site of incision usually being sternum
Term
which incision type for valve replacements tend to recover faster?
Definition
thoractomy incisions
Term
why do heart tranpslant pt's need to limit their exposure?
Definition
put on anti-rejection medications which suppress the immune system
Term
describe a juncitonal rythm
Definition
QRS complex is not preceded by a P wave, dip in T wave
Term
describe a Premature Ventricular contraction
Definition
broad QRS complex with abnormal morphology, premature, ST segment and T wave changes, compensatory pause after
Term
describe ventricular bigeminy
Definition
pvc every other beat
Term
describe trigeminy
Definition
pvc occurs every 3rd beat
Term
describe a first degree heart block on an EKG
Definition
longer PR interval
Term
what causes the longer PR Interval for a first degree heart block?
Definition
longer time for the impulse to travel from SA node to AV node
Term
most benign heart block
Definition
first degree
Term
Second degree heart block involves a lesion on what
Definition
AV node
Term
Second degree heart block is associated with what (3)
Definition
rheumatic fever, inferior wall MI's, and also digoxin toxicity
Term
Type I or Mobitz I on an EKG looks like what
Definition
gradual prolongation of PR interval until QRS complex is dropped
Term
Second degree AV block, Mobitz type 2 on an EKG
Definition
PR interval is fixed but QRS complex is dropped
Term
Do you usually do PT with Mobitz I or II?
Definition
no too unstable
Term
Which Mobitz has poor CO
Definition
type II
Term
Third degree heart block is d/t what
Definition
complete AV disassociation, no communicaiton between chambers
Term
Third degree heart block on an EKG
Definition
fixed P to P interval, fixed R to R interval but not coordinated amongst each other. no interval is dropped
Term
third degree hart block usually requires what
Definition
a pacemaker
Term
ventricular tachycardia ekg description
Definition
upside down saw tooth, 3+ PVC beats in a row, HR over 100
Term
what to do when pt exhibits a ventricular tachycardia
Definition
emergency situation, may need cardioversion, cpr
Term
Ventricular tachycardia can progress into what
Definition
ventricular fibrillation
Term
ventricular fibrillation on an EKG
Definition
scribbly line no pattern to it
Term
what to do for V fib
Definition
lifethreatening, requires defibrillation
Term
asystole on an EKG
Definition
flat line, no electrical activiity
Term
what can asystole be d/t
Definition
emergency situation, or electrodes tore off
Term
artifact on an ekg
Definition
error d//t pt moving around and computer not being able to handle it
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