Prophecy General ICU RN A V1, V2 &V3
Prophecy General ICU RN A V1
What is cardiac tamponade?
Fluid in the pericardial sac causing decreasing preload. This decreases SV and ultimately CO.
Effects of Hyper/Hypokalemia and calcemia on EKG
Hypokalemia causes U waves
Hyperkalemia causes peaked T waves
Normal BP?
90-120/60-80
Normal HR?
60-100 bpm
Normal CO?
4-8 L/min
Normal SVR?
800-1,200 dynes/seconds
Normal PVR?
37-250 dynes/sec/cm5
Normal SVo2?
60-80%
Normal PAP?
Systolic: 15-30 mm Hg
Diastolic: 4-12 mm Hg
Normal CVP?
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2-6 mmHg
V-fib in relation to CO
V-fib produces an ineffective stroke, decreasing SV and CO.
RV failure - treatment after RV MI
Right sided measurements are more related to fluid balance and build up of fluid in the peripheral side.
RV failure leads to insufficient LV preload. The result is low SV and CO. Treatment involves fluid
loading with hypertonic fluids (3% saline, mannitol, 20% albumin)
IABP optimal timing
Inflation during diastole (AV closure) and deflation during systole (QRS)
IABP functions
Decrease afterload and increase coronary artery perfusion
IABP waveforms
Unassisted Systolic
Unassisted End Systolic
Assisted Diastolic
Assisted End Diastolic
Unassisted End Diastolic
MI Leads
Septal V1, V2
Anterior V3, V4
Lateral I, aVL, V5, V6
Inferior II, III, aVF
Endocarditis
inflammation of the inner lining of the heart
Where do most thrombi occur?
In the legs
Amiodarone
Antiarrhythmic
Nicardipine/Cardene
Ca Channel Blocker works on periphery
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Cardizem/Diltiazem
Ca channel blocker works on periphery/heart
Dobutamine (500 mg/250 mL)
Inotrope & Dilator (Beta 1/2 agonist)
Dopamine (400 mg/250 mL)
Vasopressor (catecholamine, dopamine agonist at low doses, beta agonist at 5-10, and alpha agonist at
larger)
Epinephrine (5 mg/250 mL)
Vasopressor/catecholamine (Beta agonist, alpha agonist at large doses)
Esmolol (2500mg/250mL)
Beta blocker
Levophed/Norepinephrine (4 mg/250 mL)
Vasopressor/catecholamine (more Alpha agonist, beta agonist at high doses)
Lidocaine (2 g/500 mL)
Antiarrythmic
Neosynephrine/Phenylephrine (20 mg/250 mL)
Vasopressor (alpha agonist)
Nipride/Nitroprusside (50 mg/250 mL or 100 mg/250 mL)
Arterial vasodilator
Nitroglycerin (25 mg/250 mL)
Vasodilator
Precedex/dexmedetomidine (200 mcg/50 mL & 400 mcg/100 mL)
Sedative
Primacor/Milrinone (50 mg/250 mL & 40 mg/250 mL)
Inotrope/vasodilator (useful PHTN & low RV function) (Phosphodiesterase inhibitor in vascular and
cardiac tissue)
Vasopressin (20 mg/100 mL)
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