Flashcards in 6/10/13 Deck (21)
What causes an S4?
LA contracting against a stiff, hypertrophic LV
What is the effect of hand-grip maneuver on the murmur of aortic stenosis?
Why does the murmur of aortic stenosis decrease with hand-grip?
up afterload --> less outflow from LV
What is the effect of the hand-grip maneuver on mitral regurgitation?
What are the effects of squatting on preload and afterload?
What is the #1 cause of cancer death in women?
Which is the preferred treatment for pts w/ symptomatic, severe aortic stenosis, valve replacement or balloon valvuloplasty?
(hi risk of restenosis w/ valvuloplasty)
Pts w/ severe aortic stenosis (<1cm) and an ejection fraction less than ___ should undergo valve replacement.
A cancer pt undergoing chemotherapy has acute renal failure w/ acidic urine w/ numerous uric acid crystals. What is the cause?
Tumor lysis syndrome
What does rasburicase do?
converts uric acid to allantoin
When a pt goes into PEA or asystole, what are the first 2 interventions, Mr. ACLS-certified?
CPR and Epi
How much Epi should be given, how often in the case of Asystole/PEA?
1mg every 3-5 min
Which β-adrenergic receptors are found in the heart?
Which β-adrenergic receptors does propranolol work on?
β1 and β2
Which β-adrenergic receptors does metoprolol work on?
Which is preferred for chronic hep C (w/ elevated ALT, detectable HCV RNA, and at least moderate hepatitis), monotherapy or combined therapy?
What drugs are used to treat chronic hep C?
interferon + ribavirin
Which type of esophageal carcinoma is assoc'ed w/ drinking and smoking?
What is the Tx for MALToma restricted to the stomach?
H. pylori triple therapy
_______ restults in left atrial dilation and a risk of atrial fibrillation and cardiac emboli. The pressure is also transmitted to the pulmonary vasculature, which can result in dyspnea, cough, and hemoptysis.