Lab Values

Red Blood Cells (RBCs)
Total Red Blood Cell (RBC) / Erythrocyte count
Male, 4.3 - 5.9 x 10^12/L
Female, 3.5 - 5.5 x 10^12/L
Hematocrit / Packed Cell Volume (PCV)
Male, 41 - 53%
Female, 36 - 46%
Hemoglobin (Hgb)
Male, 13.5 - 17.5 g/dL
Female, 12.0 - 16.0 g/dL
Mean Corpuscular Volume (MCV)
80 - 100 fl/cell
Mean Corpuscular Hemoglobin (MCH)
25.4 - 34.6 pg/cell
Mean Corpuscular Hemoglobin Concentration (MCHC)
31 - 36% Hb/cell
Reticulocyte count
0.5 - 1.5% of red cells
White Blood Cells (WBCs)
Total White Blood Cell (WBC) / Leukocyte count
4.5 - 11.0 x 10^9/L
Segmented Neutrophils
65 - 75%
Bands
3 - 5%
Eosinophils
1 - 3%
Basophils
0 - 0.75%
Lymphocytes
25 - 33%
Monocytes
3 - 7%
Coagulation
Platelet count
150 - 400 x 10^9/L
Bleeding time (template)
2 - 7 minutes
Prothrombin time
11 - 15 seconds
Thrombin time
<2 seconds deviation from control
Partial thromboplastin time (activated)
25 - 40 seconds
Liver Function
Serum Bilirubin (Adult)
Total, 0.1 - 1.0 mg/dL
Direct, 0.0 - 0.3 mg/dL
Aspartate Aminotransferase (AST, GOT at 30°C)
8 - 20 U/L
Alanine Aminotransferase (ALT, GPT at 30°C)
8 - 20 U/L
Phosphatase (Alkaline), Serum (p-NPP at 30°C)
20 - 70 U/L
Proteins, Serum Total (recumbent)
6.0 - 7.8 g/dL
Albumin
3.5 - 5.5 g/dL
Globulin
2.3 - 3.5 g/dL
Renal Function + Electrolytes
Urea Nitrogen, Serum (BUN)
7 - 18 mg/dL
Uric Acid, Serum
3.0 - 8.2 mg/dL
Creatinine, Serum
0.6 - 1.2 mg/dL
Calcium, Serum (Ca2+)
8.4 - 10.2 mg/dL
Sodium (Na+)
136 - 145 mEq/L
Chloride (Cl-)
95 - 105 mEq/L
Potassium (K+)
3.5 - 5.0 mEq/L
Magnesium (Mg2+)
1.5 - 2.0 mEq/L
Phosphorus (inorganic), Serum
3.0 - 4.5 mg/dL
Bicarbonate (HCO3-)
22 - 28 mEq/L
Endocrine Function
Thyroid-Stimulating Hormone (TSH), Serum or Plasma
0.5 - 5.0 µIU/mL
Thyroxine (T4), Serum
5 - 12 µg/dL
Triiodothyronine (T3), Serum (RIA)
115 - 190 ng/dL
Glucose, Serum (Average)
Fasting 70 - 110 mg/dL
Postprandial (>2hrs) < 140 mg/dL
Random 140 - 199 mg/dL
Hemoglobin A1C
6%
Cholesterol, Serum
Rec:<200 mg/dL
Triglycerides, Serum
35 - 160 mg/dL
Ferritin, Serum
Male 15 - 200 ng/mL
Female 12 - 150 ng/mL
Iron
50 - 170 µg/dL
Total Iron Binding Capacity (TIBC) / Transferrin Conc.
255 - 450 µg/dL
pH
7.35 - 7.45
PCO2
33 - 45 mmHg
PO2
75 - 105 mmHg
Lactate Dehydrogenase (LDH), Serum
45 - 90 U/L
Erythrocyte Sedimentation Rate (ESR)
Male 0 - 15 mm/h
Female 0 - 20 mm/h
Creatine Kinase (CK), Serum
Male 25 - 90 U/L
Female 10 - 70 U/L
Amylase, Serum
25 - 125 U/L
Osmolality, Serum
275 - 295 mOsmol/kg

Internal Medicine

Infectious Diseases

Infectious Diseases

Endocarditis, Lung Infections, Gastrointestinal Infections, Sexual Transmitted Diseases (STDs)

Preface

No one wants to waste time reading a preface. Neither did we want to write something that will get ignored. But this isn’t that formality.

We wrote this introduction to quickly explain to you why this course is different. In the book, ‘The Magic of Thinking Big’ author David Schwartz wrote, ‘The story is told that the great scientist Einstein was once asked how many feet are in a mile. Einstein’s reply was, “I don’t know. Why should I fill my brain with facts I can find in two minutes in any standard reference book?” Einstein taught us a big lesson. He felt it was more important to use your mind to think than to use it as a warehouse for facts.’ And then the author goes on to explain that the ability to know how to get and use information is more important than using the mind as a garage for miscellaneous facts.

Unfortunately, most question banks consist of a haphazard assortment of different questions probing for information to prepare you for the exam. But once you get responsible for patients, both you and your patient know that they rely on you for your thinking skills and Google for a quick fact check.

So based on this principle, we develop our courses in Tome Pollom. Every chapter has the concepts explained in a clear, simple, and straight-forward way. In fact, you will need little effort to understand the concepts and will be surprised how quickly and easily you can finish studying!

Our hope is that this course is going to save you time and energy (and sleep and anti-depressants and hair-loss) and much more of your valuable resources. Just see for yourself.

Nevertheless, if you feel anything needs improving from your perspective, or whether the information is unclear or wrong, every page has a ‘Send Us Your feedback’ box for your kind input. We thrive on your feedback and criticisms and we aim to improve as we go along together. So, thank you in advance.

Hope you have a productive session. Make sure you get enough sleep!

About the course

This course offers an extensive resource for students and professionals focusing on infectious diseases. The question bank encompasses a wide range of topics, including endocarditis, pulmonary infections, gastrointestinal infections, and sexually transmitted diseases.

Ideal for self-study or as a supplementary resource in a structured educational program, each category within the Q-Bank is equipped with a carefully curated set of vignettes that not only test your knowledge but also mirror the challenges encountered in clinical settings. This makes the resource particularly valuable for those preparing for medical exams or sharpening their clinical decision-making skills.

The Q-Bank is structured to facilitate a deep dive into the nuances of each disease, from the different kinds of pneumonia-causing agents like Streptococcus pneumoniae and Mycoplasma pneumoniae, to acute and chronic gastroenteritis caused by pathogens such as Escherichia coli and Giardia lamblia, as well as sexually transmitted infections including Neisseria gonorrhoeae and Chlamydia trachomatis. Each segment is supported by explanations that clarify complex concepts and provide context to the answers, ensuring that learners not only remember the facts but also understand the underlying principles of infectious disease management.

What will you learn

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What our students say

5/5

Cutts Daniel

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4/5

Daniel Smith

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4/5

Katherine Cutts

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