Cardiovascular physiology and the ECG

what is a normal heart rate?

55-85 bmp at rest

what is trachycardia?

fast heart rate (OVER 100bpm)

what is bradycardia?

slow heart rate (UNDER 60bpm)

when isa HR never safe?

above 200 or below 40

SA node

bundle of his

AV node

AV bundle (bundle of his)

perkinji fibers

how to calculate mean arterial pressure (MAP)

diastolic BP + (pulse pressure/3)

how to manually find BP?

listen for first sound (SYSTOLIC BP) and then wait until is stops (DIASTOLIC BP)

placement of BP cuff?

upper arm by where you think heart is in the thoracic cavity

what medical conditions increase risk of hypertension?

diabetes, obesity, chronic kidney disease, sleep apnea

what behaviors increase high BP risk?

unhealthy diet, tobacco use, too much alcohol, inactive, stress, too much salt, too little potassium

factors associated with racial disparities?

salt sensitivity, body mass, resistant and refractory hypertension, socioeconomic factors