pharmacology (digoxin)

digoxin blood level
0.5-2.0 nanograms

therapeutic digoxin level
0.8-2 ng/dl

digoxin (lanoxin) used for
systolic heart failure
atrial fibrillation
atrial flutter

digoxin is a positive inotropic
increase contraction of the heart

digoxin is a negative chronotropic
slow the rate of ventricular contraction

digoxin has negative dromotropic effect
decreased conductivity of the av node
the heart beat slower but better

digoxin is used to reduce or eliminate
pulse deficit

check the pulse
for one full minute, if it is < 60, 59 and lower Hold the digoxin dose.

hold the dose for older children and children
for pulse older children< 70 for children <100

Digitalization
use a loading dose
over a period of 24 hrs.

digoxin lanoxin toxicity
very slow, rapid ventricular rhytm
see halos to lights
abdominal distention
visual disturbances
flickering dots
anorexia, drowsiness confusion
atrial tachycardia
bradycardia
cardia dysrrhythmias such PVCs, paroximal atrial tachycardia, heart block, AV tachycardia, AV block

slow digitalization
use a maintenance dose
effects in 1 week

digoxin help in heart failure
relieve ankle swelling
relieve SOB
relieve fatigue

digoxin help in atrial fibrillation
slow heart rate
decrease fatigue

digoxin is applied long term
because heart failure is a chronic disease

How to give digoxin
daily at the same time
never miss a dose
use the same brand and type
if you miss a dose within 6 hr. take the dose
don’t take double doses
count the pulse for one full minute:
if pulse is 59 or less hold the dose

dairy products affect digoxin
dairy products delay absorption

tablets and capsules of digoxin
tablets can be crush
capsule shallow whole

with other prescriptions
consult the health provider

have periodic
physical examinations
electrocardiogram
blood test
check your electrolyte level

what electrolyte must be limited with digoxin
sodium

take adequate intake of what electrolyte
potassium, especially if taking loop diuretics

report to health provider immediately
changes in heart rate or rhythm
nausea, vomiting, visual changes

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digoxin ( Lanoxin) action increases the force of myocardial contraction prolongs refractory period of the AV node decreases conduction through SA & AV nodes TE increased cardiac output ( positive inotropic effect) & slowing of the heart rate ( negative …

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