Block 3 Flashcards by lauren alstot | Brainscape

Q

QT interval

A

Normal =

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Q

QT & HR

A

Inversely related
HR decreases, QT increases
Women larger interval than men

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Q

Calculation of QT upper limit by HR

A

60 BPM = 0.4 (men), 0.44 (women)
- Subtract 0.02 for every 10 BPM
100 BPM = 0.31 (m), 0.34 (w)

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Q

Ischemic stroke

A

Occlusion of artery in brain region

- 87% of all strokes

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Q

Hemorrhagic stroke

A

Ruptured blood vessel
Avoid coagulants
13% strokes

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Q

8 Ds of stoke care

A

Detection: recog sx
Dispatch: Activation & EMS
Delivery: EMS ID, mgmt, transport
Door: triage at stroke center
Data: triage, eval and mgmt in ED
Decision: expertise and therapy selection
Drug: fibrinolytic, intra-arterial
Disposition: admit to stroke unit

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Q

Diltiazem- MOA

A

Calcium channel blocker

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Q

Diltiazem- Indications

A

A fib & A flutter

- Refractory SVT conversion

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Q

Diltiazem- AE/ CI

A

Wide QRS
Wolffe- Parkinson white
Beta blockers

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Q

Furosemide- MOA

A

Loop diuretic

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Q

Furosemide- Indications

A

Pulmonary edema

- Hypertensive emergencies

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Q

Furosemide- AE/CI

A

Dehydration, hypovolemia, hypotension

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Q

Verapamil- MOA

A

CCB

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Q

Verapamil- Indications

A

A fib, A flutter

- SVT prevention

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Q

Isoproterenol- MOA

A

Phosphodiesterase enzyme inhibitor

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Q

Isoproterenol- Indications

A

Severe CHF refractory to diruetics, vasodilators and inotropes

Q

Isoproterenol- AE/CI

A

Do not mix with dextrose

- Causes tachy arrthmias, hypotension, MI

Q

Lidocaine- MOA

A

Antiarrythmic, inhibits NA ion channels

Q

Lidocaine- Indications

A

Amioderone alternative in cardiac arrest

- VF/ VT

Q

Lidocaine- AE/ CI

A

Not for prophylaxis in AMI

- reduce dose with liver dysfunction, LV

Q

Procainamide- MOA

A

Antiarrythmic

Q

Procainamide- Indications

A

Wide variety of arrthymias
A fib, wolffe parkinson white
Vtach, reentry SVT

Q

Procainamide- AE/CI

A

Proarrthymic
Induces hypotension
Prolongs QT interval

Q

Adenosine- MOA

A

Antiarrythmic, interrupts AV node reentry

Q

Adenosine- Indications

A

Tachycardia

Q

Adenosine- AE/ CI

A

AV blocks, sinus node disruptions

- Cardiac arrest, bradycardia

Q

Diazepam- MOA

A

Benzodiazapine

Q

Diazepam- Indications

A

Procedural sedation

Q

Diazepam- AE/CI

A

Resp depression, abuse

- Drowsiness, fatigue

Q

tPA- MOA

A

Binds to fibrin, activating plamin. Clot lysis

Q

tPA- Indications

A

Within 3 - 4.5 hours of ischemic stroke

- Neuroimpairment

Q

tPA- AE/ CI

A

Hemorrhage, bleeding disorders

- HTN > 185/110