ECG revision for beginners working in emergency department. Can be helpful for quick revion regarding MRCEM SBA revision.
The contents in this ppt provide some basic and then quick revision of common but may be life threatening ecgs.
Size: 17.48 MB
Language: en
Added: Sep 14, 2024
Slides: 63 pages
Slide Content
ECG Review
Objectives To develop systemic approach in ecg interpretation. To review ecg patterns in block, ischemia, hypertrophy, tachycardia and To review ecg changes in electrolyte diorders , To review ECG patterns in toxidromes . And some other interesting ecgs
Some Basics
ELECTRICAL CONDUCTION
LAD
RAD
TERRITORY
RVH Dominant R wave in V1 (> 7mm tall or R/S ratio > 1). Dominant S wave in V5 or V6 (> 7mm deep or R/S ratio < 1). QRS duration < 120ms
LVH There are numerous voltage criteria  for diagnosing LVH, summarised below The most commonly used are the Sokolov -Lyon criteria : S wave depth in V1 + tallest R wave height in V5-V6 > 35 mm
TACHYCARDIA ALGORITHM
SVT
ST VS SVT
AFIB
VT
https://litfl.com/vt-versus-svt-ecg-library/
! WHENEVER IN DOUBT, TAKE HELP FROM SENIOR AND TREAT AS VT.
AV DISSOCIATION
BLOCK 1 ST DEGREEE 2 ND DEGREE(MOBITS TYPE 1 AND II) 3 RD DEGREE BLOCK
MOBITZ TYPE 1 MOBITS TYPE 2
3 RD DEGREE HEART BLOCK
LBB
RBB
INFERIOR WALL MI
LATERAL WALL MI WITH RECIPROCALS
POSTERIOR WALL MI
IWMI WITH RV INFARCTION + JUNCTIONAL RHYTHM
HYPOKALEMIA
HYPERKALEMIA
HYPOCALCEMIA (LONG QT)
CAUSE OF PROLOMG QT
TORSADES
BRUGADA
PE
DE WINTER
TRIFASCICULAR BLOCK
HYPOTHERMIA
CEREBRAL T WAVE
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