Memorize!!!

Question 1

3 requirements for ARDS

Answer 1

1) PaO2/FiO2<300
2) Bilateral infiltrates cxr
3) PCWP <18

Question 2

Lights Criteria

Answer 2

Protein >0.5
LDH >.6
LDH > 2/3 ULN
If any are true (exudate)

Question 3

When to do COPD home O2

Answer 3

PaO2<55mmHg or Sat <88%

If RHF/Hct>55%: PaO2 <59 or Sat <89%

Question 4

Curb-65

Answer 4

Confusion, BUN>20, RR> 30, BP <90/<60, 65+ age

2 or more admit

Question 5

LV wall stress proportion

Answer 5

(pressure X radius)/ thickness

Question 6

CHADS2

Answer 6

CHF, HTN, Age >65, DM, Stroke, Stroke (>=2 anticoag)

Question 7

PPD reading

Answer 7

Normal people >15mm
Known exp/up risk >10mm
Immunocomp >5mm

Question 8

When to add steroids in PCP tx

Answer 8

PaO2 <70mmHg or Sat <92%

Question 9

HIV prophylaxis

Answer 9

200: Bactrim for PCP (toxo at 100)
150: Histo with itraconazole
50: MAC with azithromycin

Question 10

Corrected Ca=?

Answer 10

Measured + 0.8(4-albumin)

AKA every 1 point albumin change causes .8 calcium

Question 11

Neutropenia, RA, Splenomegaly

Answer 11

Felty Syndrome

Question 12

Decreases CHF mortality (4)

Answer 12

B-b (carvedilol, met succ, bisoprolol)
ACE-i
Spironolactone
Hydralazine + Isosorbide dinitrate

Question 13

SAAG

Answer 13

> 1.1 is portal HTN, less thatn 1.1 is anything else

Question 14

How to treat DM if there is any major organ dysfxn?

Answer 14

Insulin only

Question 15

Corrected Sodium?

Answer 15

Na + (glucose-100)*.016

Question 16

Asthma classes

Answer 16

Intermittent: <2 d/wk, <2 night/mo, FEV1>80%
Mild persist: >2d/wk, 3-4night/mo, FEV>80
Mod: daily sx, 1x/wk but not nightly, FEV 60-80
Severe: throughout day, 7nights/wk, <60

Question 17

Effusion with high hyaluronidase (pleural)

Answer 17

Adenocarcinoma

Question 18

Who to TB prophylax?

Answer 18

Kids <4 y.o with 9 months of INH

Question 19

Urinary Cl for Metabolic alkalosis

Answer 19

> 20 + HTN: Conns (hyperaldo)

<20: vomiting, NG suction, antacids, diuretics

Question 20

Kidney stone sizes

Answer 20

<5mm: hydrate
5mm-2cm ECWL
>2cm: surgery (open)

Question 21

ITP Tx

Answer 21

Plt > 30K and no bleeding: none
Plt < 30k or significant bleeding: steroids or IVIG
Recurrent (splenectomy +/- rituximab)

Question 22

SIRS Criteria

Answer 22

T not in 36-38
WBC <4000 or >12000 or>10% bands
RR> 20 or PaCO2<32
HR > 90 
Need 2 or more

Question 23

Change that is appropriate for respiratory acidoses?

Answer 23

Every 10 CO2: decrease 0.04 in pH (acute), 0.08 (chronic)

Increase in bicarb 1 (acute), 3 (chronic)

Question 24

Calculation for burn fluids? Timing?

Answer 24

4 x kg x BAS (50 % first 8 hours, 50% next 16)
Head= 9%
Front= 18% (abd/chest), back=18%
Arm= 9% each
Leg= 18 % each
Genitals= 1%
In kid: head is 18, legs combined 27