16.12.13 Flashcards

1
Q

Major effects of fibrates

A

reduce TGs and increase HDL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Mech of action of fibrates

A

activate LPL by activating PPAR alpha

reduce apoCIII synthesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Available fibrates

A

clofibrate(not available)
gemfibrosil
fenofibrate
bezafibrate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Fibrate with longest half life

A

fenofibrate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Fibrate with maximum LDL lowering action

A

fenofibrate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Additional advantage of fenofibrate

A

uricosuric

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

effect of fibrates on plasma fibrinogen levels

A

reduces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

fibrates are drugs of choice for

A

Hypertriglyceridemia(esp after use of protease inhibitors)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Fibrate without increased risk of myopathy

A

bezafibrate

fenofibrate+rosuvastatin combination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

adverse effects of fibrates

A
GI distress
elevated transaminases
hypokalemia
cholesterol gall stones
Leukopenia
decreased Hct
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

absorption of gemfibrosil is increased with

A

food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Interaction of fibrates

A

potentiate coumadin anticoagulants and OHA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

At what level of TGs should fibrates be started

A

> 500mg/dl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Spectrum of activity of daptomycin

A

similar to vancomycin

also active against Vanco resistant enterococci and S.aureus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

adverse effect of daptomycin

A

myopathy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

datomycin is not useful for treatment of

A

pneumonia

surfactant inactivates it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

daptomycin is eliminated

A

renally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

mech action of daptomycin

A

Ca+ mediated pore formation in cellwall resulting in K+ efflux

19
Q

Drug of choice for hypertensive emergencies

20
Q

Mech of action of SNP

A

release NO

stimulate guanylyl cyclase

21
Q

DOC for hypertensive emergencies in pregnancy

A

hydralazine

22
Q

Adverse effects of SNP

A

cyanide toxicity in renal failure

hypothyroidism due to accumulation of thiocyanates

23
Q

Dose range of SNP

A

0.5 ug/kg/min-10ug/kg/min

24
Q

SNP is sensitive to

25
Treatment of cyanide poisoning due to SNP
sodium thiosulphate | hydroxy cobalamin
26
Manifestations of thiocyanate toxicity
``` weakness disorientation psychosis muscle spasms convulsions ```
27
Bosentan
non selective endothelin receptor blocker
28
selective ET-A receptor blocker
sitaxsentan | ambrisentan
29
Endothelin converting enzyme inhibitor
phosphoramidan
30
Adverse effects of endothelin antagonists
hepatotoxicity pregnancy peripheral edema
31
Bosentan drug interactions
CI in pts taking glyburide,glipizide and cyclosporine
32
Adverse effects of sitagliptin
nasopharyngitis URI headaches pancreatitis
33
DPPIV inhibitors have a preferential effect on
postprandial glucose levels
34
Amount of HbA1C reduction produced by DPPIV inhibitors
0.5-0.8
35
dose of DPP IV inhibitors must be reduced with
renal failure
36
Adverse effects of saxagliptin
facial edema | urticaria
37
Carbepenems
imipenem doripenem meropenem ertapenem
38
Most effective carbepenem for pseudomonas infection
meropenem combined with aminoglycosides
39
Carbepenems are drugs of choice for
enterobacter klebsiella acinetobacter ESBL
40
Cilastatin is an inhibitor of
renal dehydropeptidase I
41
Adverse effect of imipenem cilastatin
seizures | GI effects
42
carbepenems are sensitive to which beta lactamase
metallo-beta lactamase
43
organisms resistant to carbapenems
``` E.fecium MRSA Cl.Difficle Burkholdria cepecia stenotrophomonas maltophilla ```
44
Carbapenem with longest half life
ertapenem