Normal Lab Values

Question 1

Sodium

Answer 1

(Odd numbers 1,3,5)
135-145meq/L

Question 2

Potassium?

Answer 2

(3-5 bananas in a bunch 1/2 off)
3.5-5mEq/L

Question 3

BUN?

Answer 3

(5 digits per limb x4)

5-20mg/dl

Question 4

Creatinine?

Answer 4

(CreatiNINE - is right in the middle)

0.6-1.2 mg/dl

Question 5

Glucose?

Answer 5

(Energy low at 70-100 years )

70-100mg/dl

Question 6

Calcium?

Answer 6

(Milk weight 8.5lb +2%)

8.5-10.5 mg/dl

Question 7

Chloride?

Answer 7

(There is chlorine in the hot tub the temperature is between 95-105F)

95-105mEq/L

Question 8

Bicarbonate ?

Answer 8

( you get 2 packs of 12 soda)

23-29mEq/L

Question 9

AST ?

Answer 9

9-40 U/L

Question 10

ALT?

Answer 10

7-60 U/L

Question 11

ALP?

Answer 11

40-120 U/L

Question 12

Bilirubin?

Answer 12

<1mg/dl

Question 13

Albumin?

Answer 13

3.5 -5.4 g/dl

Question 14

WBC?

Answer 14

5000 -10,000 mcl

Question 15

RBC?

Answer 15

4.5-5.5 million/mcl

Question 16

Hgb?

Answer 16

Females 12-16g/dl
Males 14-18 g/dl

Question 17

HCT?

Answer 17

37-50%

Question 18

PLTs?

Answer 18

150K-400K

Question 19

.pH?

Answer 19

7.35-7.45

Question 20

PaCO2?

Answer 20

35-45mmHG

Question 21

INR?

Answer 21

<1

Question 22

PT?

Answer 22

10-12 secs

Question 23

PTT?

Answer 23

30-40 secs

Question 24

MCV

Answer 24

80-100

Question 25

MCHC

Answer 25

31-36%

Question 26

Retics count

Answer 26

1-2%
>3% peripheral destruction
<3% under production in BM

Question 27

Fractional excretion of Na

Answer 27

1-2%

Question 28

Normal BUN/Cr

Answer 28

20:1

Question 29

Triglyceride

Answer 29

<150

Question 30

Total cholesterol

Answer 30

<200

Question 31

LDL

Answer 31

<100
Lower if have high risk factors

Question 32

HDL

Answer 32

> 50

Question 33

Filtration fraction

Answer 33

20%

Question 34

Orbital floor fracture presentation

Answer 34

Vertical diplopia
Restriction of upward movement
Numbness of upper cheek lip and gingiva

Question 35

Chronic mercury poisoning

Answer 35

Inhibits catecholamine breakdown

Presentation:- tremor, insomnia, personality changes
HTN, tachycardia
Gingivitis
Diaphoresis
Desquamating rash palms and soles

Question 36

Posterior neck swelling in baby

Answer 36

Cystic hygroma

Question 37

Turner’s syndrome

Answer 37

Cystic hygroma
Congenital lymphoedema
High arched palate
Coarctation of the aorta

Loss of the paternal X chromosome

Question 38

Cardiogenic shock arrows

Answer 38

Decreased contractility
Decreased C.O
Increased SVResistance ( activation of baroreceptor —> SNS)
Increased LV end diastolic pressure —> failure to pump all bld from Lt ventricle
Causing back flow
Increase PCWP ( LA)
Increase pulmonary arterial systolic pressure

Question 39

High output failure 2o AV fistula

Answer 39

Enlarged heart + pulmonary oedema
Fistula bypasses resistant arterioles —-> decreased systemic vascular resistance
Increase venous return/ increase preload
Increase SV/ increase CO

Question 40

Restrictive cardiomyopathy

Answer 40

Reduced LV compliance - diastolic dysfunction
HF with preserved EF

Causes:- cardiac amyloidosis, hypertensive heart disease

Question 41

Dilated cardiomyopathy causes

Answer 41

Alcohol use
Doxorubicin chemotherapy
Selenium deficiency
Viral myocarditis

Reduced LV contractility —> systolic dysfunction
Reduced EF

Question 42

ATN after abrupt normalization of BP in pt with chronic untreated HTN is due to

Answer 42

Alteration of blood pressure flow in renal arterioles

Kidneys become used to certain pressure if decreased abruptly —> normotensive ischaemia

Question 43

What sign suggests both mitral and aortic valve disease

Answer 43

Increased LV end diastolic pressure

Question 44

ASD phonocardiogram features

Answer 44

Fixed wide split S2
Early peaking systolic ejection murmur —> between S12 and S2

Question 45

Rt ventricular failure

Answer 45

Raised CVP
Low PCWP
Low CO

Question 46

HCO3

Answer 46

24

Question 47

PaO2

Answer 47

> =75