EKG Flashcards

1
Q

1 Kotak Besar, berapa detik dan berapa mV?

A

0.2 detik dan 0.5 mV

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2
Q

6 detik sama dengan berapa kotak besar?

A

30 kotak besar

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3
Q

urutan yg dicari di EKG

A
  1. irama (sinus)
  2. rate
  3. axis
  4. PR interval
  5. gel QRS
  6. Kelainan ruang jantung
  7. Kelainan koroner
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4
Q

apa itu irama sinus?

A
  1. gel p selalu diikuti QRS
  2. gel p positif di lead 2, dan negatif di lead aVR
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5
Q

cara menghitung rate?

A

jumlah gel R dalam 6 detik x 10
300/k besar
1500/k kecil

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6
Q

normal rate?

A

60-100

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7
Q

tujuan penilaian axis?

A

menggambarkan keadaan:
- gangguan sistem konduksi
- penebalan otot jantung
- adanya infark

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8
Q

lead berapa untuk menentukan axis?

A

1 (jempol kiri)
aVF (jempol kanan)
lead 2

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9
Q

penyebab LAD?

A
  • LAFB
  • inferior MI
  • LVH
  • LBBB
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10
Q

penyebab RAD

A
  • LPFB
  • pulmonary hypertention
  • high lateral MI
  • RBBB
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11
Q

penilaian PR interval di lead berapa?

A

lead terpanjang
lead 2
lead 1

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12
Q

nilai normal PR interval?

A

0.12 - 0.2 detik (3-5 kotak kecil)

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13
Q

interpretasi PR interval abnormal

A

memendek: pre eksitasi
memanjang: ada block (AV block)

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14
Q

penilaian gel QRS di lead berapa?

A

lead V1 dan V6
ventrikel kanan: V1 dan V2
ventrikel kiri: V6 dan aVL, lead 1

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15
Q

normal gel QRS?

A

0.06 - 0.1 detik (< 3 kotak kecil)

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16
Q

gel QRS dikatakan melebar jika?

A

> 0.12 detik (>3 kotak kecil)

17
Q

yang dinilai dari gel QRS?

A
  • melebar?
  • progresi gel R di lead prekordial
  • ada Q patologis?
  • apa ada gambaran BBB?
18
Q

Q patologis bermakna jika?

A

dalam nya >1/3 gel R
ditemukan di lead V1 dan V3 (normalnya ga ada 1 sama sekali)

19
Q

RBBB?

A

V1: gel kelinci
V6: gel S dalam

20
Q

LBBB?

A

V1: gel. s dalam
V6: gel kelinci

21
Q

menilai kelainan jantung liat lead?

A

atrium: lead 2 dan V1
ventrikel: lead V1 dan V6

22
Q

pada RAE ditemukan?

A

lead 2: gel p pulmonal (gel p tinggi >2.5 k kecil)
lead V1: gel p bifasik dominan defleksi positif

23
Q

pada LAE ditemukan?

A

lead 2: gel p mitral (gel p melebar > 3 k kecil)
lead V1: gel p bifasik dominan defleksi negatif

24
Q

menilai RVH?

A

gel R di V1 + gel S di V6 >10mm (2 k besar)

25
Q

menilai LVH?

A

gel R di V6 + gel S di V1 >35mm (3.5 k besar)

26
Q

menilai kelainan koroner lihat lead?

A

semua lead

27
Q

yg dicari pada kelainan koroner?

A
  1. ST elevasi dan depresi
  2. gel T inversi dan T tall
  3. Q patologis
28
Q

ST elevasi bermakna jika?

A

tinggi > 1 kotak kecil
tinggi > 2 kotak kecil di lead V2 dan V3
di 2 lead bersamaan

29
Q

ST depresi berkmana jika?

A

dalam >1 kotak kecil
di 2 lead bersamaan
bentuk gambaran horizontal atau down slopping

30
Q

lead berpasangan?

A

Septal: v1 v2
Anterior: v3 v4 (v1-v6)
Lateral: v5 v6, 1 aVL (high lateral)
inferior: 2 3 aVF

31
Q

gel t inversi bermakna?

A
  • depresi > 1 k kecil
  • warning di aVL
32
Q

lead spesial (normal)

A
  • t inversi di v1, v2, lead 3 , aVR
  • gel P bifasik di V1
33
Q

penyebab poor R wave progression (PRWP)

A
  1. anterior MI
  2. LVH
  3. RVH
  4. dilated cardiomyopathy