REVIEW

When does systole occur?

between S1 and S2

When does diastole occur?

between S2 and S1

Describe S1

mitral and tricuspid valves closing

Describe S2

aortic and pulmonic valves closing

Describe S3

Heard in early diastole

associated with CHF

Describe S4

Heard in late diastole

associated with MI or hypertension

What are the safety precautions for MRSA?

contact (gloves, gown, no mask)

What are the safety precautions for clostridium difficile (C diff)?

contact (gloves, gown, no mask)

What are the safety precautions for TB?

airborne (N 95 mask only)

What are the safety precautions for pneumonia?

droplet (mask when working within 3 feet of patient)

How do you calculate sensitivity?

TP/(TP+FN)

How do you calculate specificity?

TN/(TN+FP)

How do you calculate positive predictive value?

TP/(TP+FP)

How do you calculate negative predictive value?

TN/(FN+TN)

If a patient demonstrates a forward lean what muscle is involved?

quads

The quads are innervated by which nerve?

femoral

What is the nerve roots of the femoral nerve?

L2-L4

If a patient demonstrates a backward lean what muscle is involved?

glute max

What nerve innervates the glute max?

inferior gluteal nerve

If a patient demonstrates a lateral lean what muscle is involved?

glute med

What nerve innervates the glute med?

superior gluteal nerve

Describe atrial tachycardia

100-250 heart rate

continue exercise

Describe atrial flutter

250-350 heart rate

saw tooth pattern

stop exercise

Describe atrial fibrillation

400-600 heart rate

stop exercise

If a patient’s blood pressure cuff is to large what happens?

low blood pressure

If a patient’s blood pressure cuff is to small what happens?

high blood pressure

Describe P wave

atrial depolarization

Describe QRS complex

ventricular depolarization

atrial repolarization

Describe ST segment

flat piece of isoelectric line

Describe T wave

ventricular repolarization