5 results
LAD
IWMI
LAHB
RAD
[PHB
RVH
Lateral wall infarct
Lead reversal
Dextrocardia
Wide ORS
RBBB - terminal delay
[BBB
IVED
WPW = delta wave
Hyperkalemia
Type l antiarrhythmic drugs
Pacemaker
ST elevation
Early repolarization
LAD IWMI LAHB ... RAD [PHB RVH ... #IWMI #LAHB #RAD ... #LBBB #IVED #WPW ... #RSratioVisI #RVH
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
ve in I, II - LAD ... : Inf Ml, WPW, LVH ... RAD: AntLat MI, ... WPW, RVH, RBBB, ... ) - WideQRS: RBBB
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
>inf leads, LVH, ... Trifascicular block - RBBB ... (<360ms) PE: RBBB ... tall R in V1, RAE ... , RV strain (neg
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
have no pain - LAD ... avR - proximal LAD ... depression in V2 - RV ... in V1, unless LBBB ... /LVH/high voltage
Cardiac conducting system 
 - Sinoatrial (SA) node normally generates the action potential, i.e. the electrical
right atrium (RA ... excite left atrium (LA ... internodal pathways in RA ... bundle branch (RBB ... right ventricle (RV