Random USMLE Facts volume 9-5

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Random USMLE Facts volume 9-5:

USMLE Facts 1 USMLE Facts 2 USMLE Facts 3 USMLE Facts 4 USMLE Facts 5
USMLE Facts 6 USMLE Facts 7 USMLE Facts 8 USMLE Facts 9 USMLE Facts 10

Subdural hematoma

subdural hematoma

What is the finding in the above picture?

Subdural hematoma.

Interstitial Fibrosis Curve:

interstitial fibrosis curve

Above, X is normal; what is represented by tracing Y?

Interstitial fibrosis.

What are the laboratory values in acute intermittent porphyria?

Increased urinary delta- aminolevulinic acid (ALA) and porphobilinogen (PBG).

What are glutamic acid decarboxylase antibodies?

Seen in Type I diabetes.

What are the characteristics of exudative effusions?

Pleural fluid protein/serum protein greater than 0.5, pleural fluid LDH/serum LDH greater than 0.6, or pleural fluid LDH more than 2/3rd the normal upper limit for serum. An exudate results from leakage of protein-rich fluid from the plasma into the interstitium and results from increased vascular permeability caused by inflammation. If exudate is caused by bacteria, the exudate is purulent (neutrophil-rich).

What are the characteristics of a transudate?

Less protein and fewer inflammatory cells. Furthermore, there is decreased oncotic pressure and increased hydrostatic pressure (due to CHF). Some causes of transudate include liver cirrhosis, nephrotic syndrome, and protein-losing enteropathy.

Which cells are derived from neuroepithelial cells?

Astrocytes and oligodendrocytes are derived from glioblasts, and glioblasts are derived from neuroepithelial cells.

What is haptoglobin?

In rapid hemolysis, the newly release hemoglobin is bound to haptoglobin, hence, haptoglobin concentrations decrease.

What are the lab values in acute intravascular hemolysis?

Serum haptoglobin is decreased, total/indirect bilirubin is increased, and direct bilirubin is normal.

What is arterial compliance? And what happens in decreased arterial compliance?

Decreased arterial compliance indicates a stiffer arterial wall. Decreased arterial compliance implies increased arterial pressure for a given stroke volume, and this causes increased pulse pressure.

USMLE Facts 1 USMLE Facts 2 USMLE Facts 3 USMLE Facts 4 USMLE Facts 5
USMLE Facts 6 USMLE Facts 7 USMLE Facts 8 USMLE Facts 9 USMLE Facts 10

Additional Readings:

Random USMLE Facts

1. Random USMLE Facts volume 1-1
2. Random USMLE Facts volume 2-1
3. Random USMLE Facts volume 3-1
4. Random USMLE Facts volume 4-1
5. Random USMLE Facts volume 5-1
6. Random USMLE Facts volume 6-1
7. Random USMLE Facts volume 7-1
8. Random USMLE Facts volume 8-1
9. Random USMLE Facts volume 9-1
10. Random USMLE Facts volume 10-1
11. Random USMLE Facts volume 11-1
12. Random USMLE Facts volume 12-1

General and Systemic Examinations

1. General Examination for Internal Medicine
2. Jugular Venous Distention Workup
3. ER Chest Pain Workup
4. Format for Patient Presentation
5. Pulmonary Examination for Internal Medicine
6. Cardiac Examination for Internal Medicine
7. Abdominal Examination for Internal Medicine
8. Cranial Nerve Reflexes
9. Motor System Examination
10. Random Sensory System Facts
11. Random Stroke Facts

Medical Files & Presentations

1. USMLE Flashcards [Size: 1.9 MB; Format: MS Powerpoint]
2. Otitis Media in Children [Size: 5.4 MB; Format: MS Powerpoint]
3. Irritable Bowel Syndrome [Size: 170 kB; Format: MS Powerpoint]
4. Acid-Base Disturbance: Acidotic or Alkalotic? [Size: 427 kB; Format: PDF]
5. Thrombocytopenia [Size: 2.42 MB; Format: MS Powerpoint]
6. Are Face Transplants Ethical? [Size: 70.2 kB; Format: MS Powerpoint]

USMLE Step 2 CS Videos

1. Video of Cardiology Examination in a Clinical Setting
2. Video of Neurology Examination in a Clinical Setting
3. Video of Pulmonology Examination in a Clinical Setting
4. Video of Musculoskeletal Examination in a Clinical Setting
5. Video of Abdominal Examination in a Clinical Setting
6. Video of HEENT Examination in a Clinical Setting
7. Video and Description of Rinne Hearing Test
8. Video and Description of Weber Hearing Test

USMLE Laboratory (lab) Values

1. USMLE Blood Lab Values
2. USMLE Cerebrospinal Lab Values
3. USMLE Hematologic Lab Values
4. USMLE Sweat and Urine Lab Values

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Useful Medical Images & Diagrams (link opens in a new window)

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