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Cardiovascular > arrhythmisa - pathophysiolgy presentation and investigation > Flashcards

arrhythmisa - pathophysiolgy presentation and investigation Flashcards

1
Q

1st degree heart block

A

increaed pr interval

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2
Q

2nd degree heart blok movits type 1

A

progresivly longing pr interval
pr longset just before dripeed beat
pr interval shortestes just after dropped beat

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3
Q

2nd degree heart block movits type 2

A

non coduction of pr intervals with out progressive prolongation of pr intervals
the pr inducla in conduction are constant

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4
Q

3rd degree heart block

A

severe bradycarids
indipendent atrio and ventricle repolisation

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5
Q

atrial flutter

A

atria and ventle to pump at differ speed, deprep atral depolatio for every one vencle , regular qrs intervals

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6
Q

atrail fibrillation

A

cells depolies in teh atrai and vencle at different times
Absent P waves
Narrow QRS complex tachycardia
Irregularly irregular ventricular rhythm

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7
Q

superventricluar tachycarida

A

irregular or fast heart beat taht effects the hearts upper chambers, atria,narrow qrs

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8
Q

wolff parkinson white syndrome

A

heart beats irregulary fast for periords of time
is related to svt - where there is an extra electal patheay that returns the vencile signal back to the atru, cuaig it to fire more frequly
slurred r wave
short qrs

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9
Q

sinus tachycardia

A

sinus bradycardia - too slow

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10
Q

sinus bradycardsi

A

two fast

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11
Q

what is the presentation of atrial fibulation

A

palpiation, dysposin, chests pain and fatique

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12
Q

what tests are done for a atrail thibulation

A

blood test and thryoid funciton
echocardiogram
12 lead ecg

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13
Q

what are the rate contraol therpy options for rate altering

A

beta blockers
ccb
dioxin - risk of toxicity

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14
Q

what are teh secotary arrypi treatmet involing anti arrypthmia drugs

A

1c/3 drugs
and dc cardioversion

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15
Q

what are teh electical proceducre for atrail fibrillation

A

pace and ablation of av node
substatie medication e.g. pulomary vein isoaltoin

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16
Q

what anticoagnulatin can be used

A

warfarin, noacs

17
Q

what caues supervcenicar tachyrdia

A

when the electial signal goes back to the ventricles after it fishes due to there being no insulation between atria and venclees on the tricuspid valve, cauign a circle repae

18
Q

symptom of supraventicluar tachycardi

A

palpitation, dysponea, diziness

19
Q

what is thre traemtn for supraventuar tachycar

A

there is none

20
Q

ecg of supervenicluar trachycars

A

narrow qrs - lless than 0.12 seconds
looks like qrs followed imedily by t wave
fast heat rate
regular

21
Q

symptoms of venticular tachycardia

A

palpitations, cp, dyspnoea, dizziness, syncope

22
Q

what testz should be doen for ventcilar tachycardis

A

bloods, echo, angiogram, ecg

23
Q

signs of ecg fo venicure fibrilation

A

borad qurs, rapid vniclur rymthum , regularly irregualr

24
Q

what is the preventiosn o f ventricucalr tachycardia

A

aa drugs and inplateable cardio defibrilatiors

25
Q

what is the indicators for an implantable defibriloatr

A

cardiac arrest due to vf/ vt not due to a traniet or early phase actur mi
sustained vt causing synope or significant compromise
sustiaed vt with poor lv fucntion

26
Q

what are inications for temportaory pacing

A

intermittent or sustabiend symptomatic bradycardia
prophylactic when patient at high risk for develpemt of severe bradycard e.g. nd or 3rd degree av block, post anterio mi

27
Q

what are the indication for permanent pacing

A

symptomati or profoudn 2nd/ 3rd degree av block
ac block acoicated with neromucl diase
alertanting left and right bundle branch block
syncope when bifaciation / trifacing block and no other reasons
sinus node disease associated with sympons
caroti sinus yhpersnigy/malin vaval scope
poor lv fucnito with lbbb

28
Q

what is sinus arrest

A

pauses for 3 or more seconds without atrial activity

29
Q

what is ablation

A

destory tissue between atrium and venticle to stop electil conduction returning

30
Q

ventricluar eptocis

A

when there are atypical ventiricle beats that happen spontaneously - can be extra or missed beats

31
Q

what is a signg of venticluar ectopic beats

A

broad qrs

32
Q

tpres of drugs used for atrail fibrilatoin

A

rate - 1a, 1c or 3 antiargymic dtus, sue sotalo or aminodranoe if have coronary artery disease, if older than 65 use dioxin , betablocelr or central calium blockers

33
Q

class of drugs for atrila flutter

A

1c, or certain cclass 3 such as dofelide, ibuilie

34
Q

what does wolfon parkin white syndome lok like on ecg

A

borad qrs, hort pr

35
Q

what does venticualr eptoi look like on ecg

A

wide qrs and abdomal t waves - inverted often

Cardiovascular (37 decks)

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