What is the most common symptom of aortic dissection?
INTRASCAPULAR BACK PAIN
What is the most common side effect of esmolol, labetalol, and bretylium?
What side effect is expected with too rapid an infusion of procainamide?
Others: Myocardial depression, QRS/QT prolongation, V-fib, Torasades
Adverse affects of lidocaine?
- -Muscle twitching
- -Respiratory depression
Whath are the 3 stages of CXR findings in CHF?
1. PAWP 12-18 mmHg: Blood flow increases in upper lung fields (cephalization of pulm. vessels)
2. PAWP 18-25 mmHg: Interstitial edema with blurred edges of blood vessels and Kerley A and B lines
3. PAWP >25 mmHg: Fluid exudes into alveoli with generation of the classic butterfly pattern of perihilar infiltrates.
Do nitrates affect predominantly preload of afteload?
Does hydralazine affect preload or afterload?
Do prazosin, captopril, nifedipine affect predominantly preload or afterload?
When is dobutamine used in CHF?
When heart failure is NOT accompanied by severe hypotension (NO SHOCK)
Potent inotrope wiht some vasodilation activity.
When in dopamine used in CHF?
If SHOCK is present.
Positive inotrope and VASOCONSTRICTOR.
Causes of MAT?
- -Methylxanthine toxicity
How do you treat MAT?
-Treat the underlying disorder.
-Magnesium, verapamil, and beta-adrenergic agents and thought to be helpful