IV, SC Furosemide
a loop diuretic - inhibits tubular reabsorption of Na+ & Cl- in the proximal & distal tubules & thick ascending loop of Henle by inhibiting the Na-Cl cotransport system. Causes excessive excretion of water as well as Na, Cl, Mg and Ca especially after initial dose.
useful in
HF patients because of reduced oral absorption resulting from gut oedema
diuresis following SC furosemide reaches max at 2-3/24 and lasts about 4/24
Cannula insertion
best sites for SC Furosemide - upper chest but upper arm can be used
prepare injection site with alcohol wipe, pinch skin to create hump and insert cannula
attach luer lock
Elastomeric pump setup
ensure appropriate dose has been calculated - usual oral dose in 24/24 would be the starting IV infusion for the 24/24 period but delivered over 12/24 for those patients who do not have an in-dwelling catheter
draw up prescribed furosemide dose and dilute with NSaline to 60ml total
infuse solution into elastomeric pump chamber via the luer lock infusion port
connect elastomeric pump tubing to luer lock of cannula
VW SC furosemide guideline CUH 2023
Author: Dr Dylan Jenkins, Oct 2023