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Cardiac
1.
2. Ms. Sophie is a 74 year old female who will be
admitted to your floor for complaint of shortness of
breath with activity and wound on left ankle. She
reports a regular diet of fast food, potato chips, and
chocolate. Loves salty food. She also states that she
often feels stressed and depressed because of her
weight however, she eats ice cream when she gets
stressed. She does not exercise and often feels very
tired. She has had two toes amputated from her left
foot and she complains that her feet “fall asleep”
easily. Patient states “feet look puffy.” She also has
“moments” of chest pain. She walks with a cane.
7. Age
Fall Risk
Metabolic syndrome risk
Activity level
8. Blood pressure: 160/90
RR 16
Pulse 74
Fingerstick: 450
Height: 5’2”
Weight: 180 lbs.
Pedal pulses not palpable
Lower extremity edema
Left lower extremity edematous, red, warm
BLE shiny, lack of hair, cool to touch
Stage III wound on LLE ankle
9. PVD – mostly affects lower extremities
- Risk factors: age > 50, HX of heart
disease, Type I diabetes, HTN, obesity,
physical inactivity, smoking
- Symptoms: fragile skin on legs/feet,
hair loss on legs, non-healing wounds,
gangrene, complaint of “numbness”
- Diagnosis: angiogram
- Complications: Stroke, MI, amputation
10. Most common type of heart disease
Arteries to heart become hardened and narrow
Plaque →↑cholesterol→atherosclerosis→
↓blood supply→angina or MI
Over time = heart failure
15. Normal Sinus Rhythm
P wave – atrial depolarization
Q,R,S complex- ventricular
depolarization
ST segment-complete depolarization
of ventricles
T wave- ventricular repolarization
16.
17. PR interval = 0.12 – 0.20 seconds (or 3 small – 1
large box)
QRS complex = 0.06 – 0.12 seconds (or 1.5 – 3
small boxes)
QT interval = 0.34-0.43 seconds (or 8.5 – 11 small
boxes)
Heart rate = # of PQRST complexes that occur in 6
seconds multiplied by 10
Small square = 0.04 seconds
Large square = 0.20 seconds
Five small squares = a large
square
Five large squares = 1 second
18. Leads I, II, III, aVR, aVL & aVF are measurements of the
frontal plane
V1, V2, V3, V4, V5 & V6 are measurements of the horizontal
plane
25. Placed with balloon
catheter
Locks in open position
Monitor for
dysrythmias
26. Check peripheral pulses & VS
Assess pain
Assess bleeding or hematoma formation at
insertion site
Maintain pressure dressing & immobilize limb for
approximately 6 hours
Monitor for urination within 6 hours
Administer fluids
Document
32. Triple Lumen Central Line
Can be placed at bedside
Placed into internal jugular
Risk of pneumothorax or air
embolism
Short term
Hickman
Placed on OR
Terminates in superior vena cava
near entrance to right atrium
Tunnelling
Long term
34. Mediport
Placed in OR
Terminates in superior
vena cava near entrance
to right atrium
Self sealing port
Long term
Huber needle
Non-coring needle used
to access mediport
40. Ectopic foci in walls of ventricles
↓ cardiac output
Intrinsic ventricular rate is only 20-40 bpm
41. Premature ventricular contraction
Irritable focus in ventricle
More likely to occur during bradycardia
A beat, not a rhythm
Cause
Bigeminy – PVC’s with every other beat
Trigeminy – PVC’s every third beat
Quadreminy – PVC’s with every fourth beat
42. • Foci in ventricles takes over
• When 3 or more PVC’s occur in a row at a rate
greater than 100 bpm lasting longer than 30
seconds
• Treatment: cardioversion & CPR. Long term-
antiarrythmic drugs
43. Rapid, disorganized depolarization of ventricles
No coordination of ventricular and atrial contractions
No palpable pulse
Treatment: Defibrillation & CPR. Long term: ICD
44. Pulseless electrical activity
Electrical activity is present but no
contraction
No cardiac output, no tissue
perfusion, death
45. No electrical activity
Immediate loss of oxygen supply to brain, heart
and tissue
47. Pacemaker
o Used to augment or replace
the natural pacemaker of
the heart
o Can be used for
bradycardia/tahcycardia,
damage to heart from MI,
CHF
48.
49. ICD – Implantable Cardiac
Defibrillator
o To treat ventricular tachycardia
and ventricular fibrillation
o Patients say a shock is like being
kicked in the chest
o Another person touching the
person will feel the shock