Random USMLE Facts volume 9-6

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Random USMLE Facts volume 9-6:

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

What is pulse pressure?

Difference between systolic and diastolic pressures; 120-80 = 40 mm Hg (normal).

What are calcium and phosphate values in Paget's disease?

Normal and normal.

During the QRS complex, while the ventricles are depolarizing, what are the atria doing?

Repolarizing; also note that the AV nodal cells are in the plateau stage.

What may be come causes of vaginal candidiasis?

High vaginal pH, immunosuppression, diabetes, and antibiotic usage.

What are some findings in in-utero toxoplasma gondii infection?

Hydrocephalus, cerebral calcifications, and retinochoroiditis.

What are some findings in congenital rubella infections?

Cataracts, hepatosplenomegaly, thrombocytopenia, purpura, PDA, bone problems, pneumonia, and meningoencephalitis.

What is Guillain Barre syndrome similar to?

Multiple sclerosis.

Where is calcium stored in heart muscle cells?

Transverse tubules.

What does camper fascia contain?


What are the physiologic findings in hyperventilation?

Hypocapnia, alkalosis, increased cerebrovascular resistance, and decreased cerebral blood flow.

What are the findings in Lyme disease?

Fever, chills, weakness, and myocardial infarction. One cause of Lyme disease is borrelia burgdorferi.

Heart Failure Curve:

heart failure curve

What is going on in the above diagram?

For a normal CV system, CO = 5 L/min and right atrial pressure is 7 mm Hg. In the above diagram, we can see that the CO curve is becoming depressed; this is due to heart failure. The cardiac function curve for compensated heart failure is characterized by a normal resting cardiac output and elevated right atrial pressure. Furthermore, there is increased mean circulatory filling pressure (MSFP) due to salt and water retention.

How does pseudomonas aeruginosa develop drug resistance?

Mutation of a porin protein.

What may be a cause of "lower left quadrant" appendicitis?


NOTE: antacids contain bicarbonate ions and can cause alkalosis.

What is a complication of chronic polycythemia vera?

Myeloid metaplasia and myelofibrosis.

NOTE: as a Graafian follicle transitions to a functional corpus luteum, granulose cells begin to express LH receptors.

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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