Pearls 6.4a

Bugs & Drugs

100

Gram positive cocci, catalase positive, coagulase positive

Staph aureus 

200

First-line therapy for severe or hospital-acquired MRSA

Vancomycin 

300

Gram positive cocci, catalase negative, alpha-hemolytic, optochin resistant 

Strep viridans 

400

Name the most common bacteria that damages the: 

1) Tricuspid valve 

2) Mitral valve

1) Staph aureus 

2) Strep viridans 

500

Structured community of microorganisms that are a major cause of chronic and device-related infections

Biofilms

Review

100

Non-blanching red/ purple spots

Petechiae/ purpura

200

Sterile vegetations on cardiac valves that occur in SLE

Libman-Sacks endocarditis

300

Autoantibody (usually IgM) that is directed against the Fc portion of IgG antibodies

Rheumatoid factor

400

MOA and clinical use of amlodipine

Calcium channel blocker in vascular smooth muscle cells; hypertension

500

When [] exceed 10% of white blood cells, a left shift is indicated 

Bands

Physical Exam Interpretation

100

Interpret: Spleen tip palpable 

Splenomegaly

200

Definition: pressing on a swollen area leaves a visible indentation that lasts for a few seconds

Pitting edema

300

Interpret: holosystolic murmur best heard over the apex, radiates to left axilla

Mitral regurgitation

400

Definition: abnormal breath sounds caused by the movement of air through fluid 

Rales aka crackles 

500

Definition: tiny, linear streaks that appear under the fingernails/ toenails and run in the direction of nail growth

Splinter hemorrhages