Injections Flashcards
what is the difference in duration of action between less soluble and more soluble steroid preparations for injection?
less soluble - last longer
what is the difference in the systemic effects of less soluble and more soluble corticosteroid preparations for injection?
less soluble - less systemic effects compared to more soluble
decadron and betamethasone are considered what type of solubility steroids?
more soluble
triamcinolone and mthylprednisolone are considered what type of solubility steroids?
less soluble
what is the most common side effect of corticosteroid injection?
post-injection flare
how long do most post-injection flares last after CSI ?
<12hrs
t/f steroid injection can cause decrease in tenocyte proliferation and reduced collagen production by tenocytes
true
why should you avoid giving steroids to someone taking an antifungal or macrolide antibiotic?
risk of adrenal suppression / adrenal crisis
an elbow joint injection is performed in the soft spot between what three bones?
olecranon, radial head and lateral epicondyle
when performing a dequervains injection, what nerve is close to the injection site?
superficial branch of the radial nerve
when should you avoid injection of the olecranon bursa for suspected bursitis?
if there is concern for infection
a wrist joint injection should be performed 1cm distal to what bony landmark?
Lister’s tubercle
the proximal border of the carpal tunnel lies at what external landmark?
distal wrist crease
the pes anserine bursa lies in what relative relationship to the tendons and the MCL , respectively?
deep to tendons, superficial to MCL
when injecting the plantar fascia, you should take care not to inject into what adjacent structure?
heel fat pad
when injecting the first MTPJ, you should angle needle 45 degrees in what direction?
distally
