Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
|
Left axis
|
>-30
|
|
|
Right axis
|
>90
|
|
|
Cocaine induced vasospasm
|
no BBlocker, causes unopposed alpha stim
|
|
|
Printzmetal
|
CCB, nitrate, d/c smoking
|
|
|
Causes of Pericarditis
|
Inf: coxasakie, echo, adeno, EBV, VZV, HIV, TB, bacterial endocarditis, Fungus
Neoplastic 35%, usually metastatic Uremia CV: MI, Dressler's(10days), aortic dissection, trauma, radiation Effusion: CHF, cirrhosis, nephropathy, hypothyroid, amyloid |
|
|
Peridcarditis EKG
|
Diffuse STelevation, pr depression, TWI, low voltage, electical alternans
enzyme leak if myopericarditis |
|
|
Pericarditis dx
|
Bun, Cr, ANA, RF, pericardiocentesis if >2cm
bx if suspect tb or malignancy |
|
|
Pericarditis Tx
|
nsaid, +- colchicine 0.5mgbid
consider steroids drainage for infection Pericardial window if recurrent |
|
|
Pericardial exudate criteria
|
Tp>3g/dl
TPeff/Tpserum>0.5 LDHeff/LDHserum>0.6 glc<60 |
|
|
Causes of Tamponade
|
malignancy, uremia, idiopathic
prox aortic dissection, myocardial rupture Rapid effusion more likely to cause tamponade |
|
|
Tamponade pathophys
|
equalization of pressures in all cardiac chambers.
decreased blood flow from ra to rv causes blunted y descent |
|
|
Pulsus Paradoxus
|
increased venous return on inspiration is normal causing bulging of septum into LV and decreased CO.
Tamponade cause decrease in SBP by 10mmhg or greater on inspiration because of decreased LV filling |
|
|
Beck's Triad(tamponade)
|
JVP, distant heart sounds, hypotension
|
|
|
Treatment for tamponade
|
give fluids, pericardiocentesis
|
