147. Cardio drugs Flashcards
1
Q
Dysrhytmias associated with dig tox
A
NONSPECIFIC - PVC - any degree block - sinus brady or tachy - SA block - Afib with slow - A tach - junctional - AV dissociation - V tach - torsades - v fib SPECIFIC - slow afib - junctional - atrial tach with block
2
Q
Non cardiac Sx of dig tox
A
Weakness and fatigue N/V/D abdo pain snowy visions photophobia diplopia HA dizzy confusion hallucination
3
Q
Differences between acute vs chrinc toxicity
A
Chronic - higher mortality - ventricular dysrythmias more - elderly underlying heart disease
ACute
- lower mort
- brady and AV block more
- younger
- no hear disease
4
Q
Testing for dig tox
A
Levels
- peak 1.5-2 hours
5
Q
MGMT of dig
A
FAB
6
Q
8 adult indications for FAB
A
- Vent dysrythmias
- hemodynamic bradys
- K > 5
- progressive rhythm problems or rising K
- co-ingestion of other cardio drugs
- ingestionso plants and dysrhytmias
- > 10mg
- levels > 6ng/L
7
Q
Amount of FAB
A
Arrest
- 10 vials
Non-arrest
- 1 vial binds 0.5mg
8
Q
goals of K in dig tox
A
maintain 3.5-4
if >5, then FAB
9
Q
other meds of tachy in dig tox
A
phenytoin
FAB still preferred
10
Q
Most dangerous BB
A
propranolol
11
Q
3 places Beta acts
A
- vasodilation
- Liver
- Lung
12
Q
10 Sx of BB tox
A
- brady
- hypoT
- unconscious
- resp arrest
- hypoglycemia
- seizures
- bronchospasm
- VT or VF
- mild hyperK
- hepatotox
13
Q
Dx testing for BB tox
A
ECG
glucose if CNS depression
14
Q
MGMT of hypoT, brady and AV block in BB tox
A
fluids
atropine trial
pacing
15
Q
goal of Ca in BB tox
A
final common pathway of B receptro intracellulary
- give 1-2 amps CACl
