6/10/13 Flashcards Preview

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Flashcards in 6/10/13 Deck (21):
1

What causes an S4?

LA contracting against a stiff, hypertrophic LV

2

What is the effect of hand-grip maneuver on the murmur of aortic stenosis?

decrease

3

Why does the murmur of aortic stenosis decrease with hand-grip?

up afterload --> less outflow from LV

4

What is the effect of the hand-grip maneuver on mitral regurgitation?

louder

5

What are the effects of squatting on preload and afterload?

both increased

6

What is the #1 cause of cancer death in women?

lung cancer

7

Which is the preferred treatment for pts w/ symptomatic, severe aortic stenosis, valve replacement or balloon valvuloplasty?

replacement
(hi risk of restenosis w/ valvuloplasty)

8

Pts w/ severe aortic stenosis (<1cm) and an ejection fraction less than ___ should undergo valve replacement.

50%

9

A cancer pt undergoing chemotherapy has acute renal failure w/ acidic urine w/ numerous uric acid crystals. What is the cause?

Tumor lysis syndrome

10

What does rasburicase do?

converts uric acid to allantoin

11

When a pt goes into PEA or asystole, what are the first 2 interventions, Mr. ACLS-certified?

CPR and Epi

12

How much Epi should be given, how often in the case of Asystole/PEA?

1mg every 3-5 min

13

Which β-adrenergic receptors are found in the heart?

β1

14

Which β-adrenergic receptors does propranolol work on?

β1 and β2

15

Which β-adrenergic receptors does metoprolol work on?

only β1

16

Which is preferred for chronic hep C (w/ elevated ALT, detectable HCV RNA, and at least moderate hepatitis), monotherapy or combined therapy?

combined

17

What drugs are used to treat chronic hep C?

interferon + ribavirin

18

Which type of esophageal carcinoma is assoc'ed w/ drinking and smoking?

squamous cell

19

What is the Tx for MALToma restricted to the stomach?

H. pylori triple therapy

20

_______ 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.

Mitral stenosis

21

What type makes up the majority of cancers on the lip?

squamous cell