Clinical Care of the Cardiovascular System Flashcards

1
Q

What is the heart rate range for Normal Sinus Rhythm?

A

60-100 beats/min

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2
Q

A normal NSR will have what wave? What will that wave be followed by?

A

P wave

QRS complex

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3
Q

What action will cause a NSR to disappear?

A

holding your breath.

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4
Q

What will cause sinus bradycardia?

A

increased vagal tone on normal pacemaker,

Disease of the SA node,

medications use

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5
Q

Severe Bradycardia is classified at what threshold?

A

< 45 beats/min

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6
Q

Healthy individuals may have a HR of 50bpm, T or F?

A

True

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7
Q

In a bradycardia ECG what will be the bpm?

A

Heart rate < 60 beats/min

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8
Q

In a bradycardia ECG with the P, QRS, and T wave be normal?

A

yes

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9
Q

what should be the initial treatment of a stable bradycardia patient

A

treat the underlying cause

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10
Q

what should be the medication of choice to treat a unstable bradycardia

A

Atropine 0.5mg every 3-5min max dose 3mg

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11
Q

does Atropine work for patients that has undergone a heart transplant

A

No

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12
Q

what should be the secondary medication of choice to treat a unstable bradycardia

A

Dopamine IV infusion at 2-10 mcg/kg/min

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13
Q

What is the bpm criteria to be considered sinus tachycardia?

A

faster than 100 beats/min

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14
Q

what causes sinus tachycardia

A
fever, 
exercise
emotion
pain 
anemia
heart failure
pregnancy
early shock
thyrotoxicosis
alcohol withdrawal or in response to many drugs.
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15
Q

what is the QRS complex duration

A
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16
Q

what is normal BP

A

<120/<80

17
Q

what is elevated BP

A

120-129/<80

18
Q

what is stage 1 hypertension

A

130-139 / 80-89

19
Q

Stage 2 hypertension

A

> =140 / =>90

20
Q

how is essential hypertension defined

A

with no single cause can be identified

21
Q

what are risk factors for essential hypertension

A

sympathetic hyperactivity

abnormal cardio vascular development

renin angiotensin

defects in natriuresis

22
Q

what exacerbates essential hypertension

A

smoking

obesity

excessive alcohol

23
Q

how is secondary hypertension defined

A

a cause is identifiable

or BP is controlled with multiple medication

24
Q

how many BP must be taken to Diagnose with high blood pressure

A

3 - 5 separate occasions

25
Q

patients with secondary high blood pressure may have a displaced what

A

point of maximum impulse

26
Q

what treatment yields the most results for hypertension

A

lifestyle modification

diet
weight loss
reduction of alcohol intake
increase PT

27
Q

what are first line medication to treat hypertension

A

diuretics -hydrochlorothiazide

angiotensin converting enzyme inhibitors ACEi

28
Q

if a patient has hypertension with no signs of end organ damage what would be the diagnosis

A

hypertensive urgency

29
Q

if a patient has hypertension with signs of end organ damage what would be the diagnosis

A

hypertensive emergency

30
Q

what are signs found in a emergency hypertensive patient

A

end organ damage

neuro deficits

new murmurs

bruits

31
Q

what is the treatment for urgency hypertension

A

lower Diastolic BP under 110 over 24 hrs

32
Q

what medications is used to treat for hypertension urgency if patient is already prescribed HCTZ

A

if PT already on HCTZ give one 25mg dose PO

if prior HTN medication is unknown give one 25mg dose po

33
Q

what medications is used to treat for hypertension urgency if patient is not already prescribed HCTZ

A

oral alpha blocker

34
Q

what is the goal in treating hypertensive emergency

A

reduce BP by 25% within 1-2 hrs

then decrease to 160/100 over 24 hrs

35
Q

Atherosclerotic Disease is primarily found where

A

arterial endothelium

36
Q

what is atherosclerotic disease

A

plaque build up in the