NURB 4120 Exam 1: Hemodynamics, Dysrhythmias, Mi, HF, Cardiogenic shock Questions With Complete Solutions

NURB 4120 Exam 1: Hemodynamics, Dysrhythmias, Mi,
HF, Cardiogenic shock Questions With Complete Solutions


PAOP (wedge)


(L preload)
6-12 mm Hg
what can increase PAOP (wedge)?

decrease?

(L preload)
increase: LV failure, fluid overload

decrease: decreased volume
systemic vascular resistance (SVR)

(L afterload)
800-1200 dynes-sec/cm5
what can increase SVR?

decrease?

(L afterload)

,increase: HTN, vasopressors, fluid overload

decrease: sepsis, vasodilators
pulmonary vascular resistance (PVR)

(R afterload)
<250 dynes-sec/cm5
what can increase PVR?

decrease?

(R afterload)
increase: HTN, vasopressors, fluid overload

decrease: sepsis, vasodilators

**so same as SVR but on a smaller scale
symptoms of MI:

CRUSHING
C- Chest pain (intense, heavy)
R- radiating chest pain (to left arm, jar, back)
U- unrelieved by nitro or rest
S- sweating (cold)
H- hard to breathe (SOB)
I- increased HR/BP or irregular HR

, N- N/V
G- going to be anxious and scared
cardiac markers:

troponin: increases? peaks? return to normal?

myoglobin: increases? peaks? return to normal?

CK-MB: increases? peaks? return to normal?
troponin: increases 3-12 hours; peaks 24 hours; returns to
normal 5-10 days

myoglobin: increases 3-2 hours; peaks 3-15 hours; returns to
normal 24 hours

CK-MB: increases 3-12 hours; peaks 24 hours; returns to normal
2-3 days
treatment for MI
oxygen (SaO2 < 90%)
aspirin (soluble 160-325 mg)
nitro (hold if low BP or viagra in past 24 hours)
PIV
morphine (control anxiety & pain)
EKG and continuous monitoring
CO control- BB, aspirin, ACE inhibitors, statins
control anxiety
teaching