Which electrolyte imbalance can cause notable torsades de pointes
hypo magnesium
Which electrolyte imbalance deficiency shortens QT intervals
hypercalcemia
EKG rhythm strip; P-wave and QRS-waves are regular and heart rate is 64; what kind of heart rhythm?
normal sinus rhythm (NSR)
Which catheter lies on superior vena cava
central veinous catheter
What would be best explanation for the reason for stress test
how the heart will handle work load (about the heart works during exercise)
Potassium is important
it can alter myocardial muscle function
What can happen to heart rate when not enough potassium
premature ventricular contraction (PVC)
If pt is hypokalemic, what electrolyte has to be changed?
magnesium
If pt has MI, in what period of time will you see a rise in cardiac enzymes
4 to 6 hours
The usual insertion site for swanz-ganz cath
sub clavian vein
What angle should pt be at to accurately measure wedge pressure in the subclavian vein
lying supine: 0 to 60 degrees
FILL-IN:
the difference in korotkoff pressure of 10 mm mg inhaling and exhaling. What is the difference called?
Pulses Paradoxus
SATA: cx that causes hypokalemia
GI loses
Cortisone (chronic steroid therapy)
Diuretics therapy with insufficient replacement
Pt is on Coumadin therapy, what should be restricted
cabbage
SATA: serum cardiac markers after MI
Troponin
Myoglobin
CK-MB
Right sided heart failure; s/s
nocturnal polyuria
FILL-IN:
cord like structure attached to mitral and tricusbid valves
chordae tendineae
FILL-IN:
acute compression on the heart due to pericardial accumulation results in ___________
tamponade
SATA: The nx is in intensive care unit, caring for a pt receiving hemo-dynamic monitoring. When
planning for pt’s care which nx diagnosis may be use by the nx?