, EMS 231: Advanced EKG Exam 2 Mod.
14: Infarct Imposters Mod. 15: Bundle
Branch Blocks Mod. 16: Fascicular
Blocks Mod. 17: Bi-Fascicular Blocks
EKG Diagnostic Criteria: Left Ventricular Hypertrophy -
Answer>> Axis: Normal or Left
Votage: (V1 or V2) + (V5 or V6) > 35mm
Strain Pattern: Lead I, aVL, V5, V6
What is Left Ventricular Hypertrophy? What causes it? -
Answer>> Enlarged/thickened L ventricular wall. Causes by
Prolonged Hypertension, Previous cardiac event, Diabetes
What is Right Ventricular Hypertrophy? What causes it? -
Answer>> Enlarged/thickened R ventricular wall. Caused by
pulmonary etiologies: COPD, Interstitial lung disease, Pulmonary
embolism.
EKG Diagnostic Criteria: Right Ventricular Hypertrophy -
Answer>> Axis: Right
Voltage: R wave in V1 > 7mm, opposite R wave progression (V1
= pos, V6 = neg)
Strain: V1 and V2
Sgarbossa's Criteria: 5 points? - Answer>> Concordant ST
elevation greater than 1 mm in leads with positive QRS
Sgarbossa's Criteria: 2 pts? - Answer>> Disconcordant ST
Elevation greater than 5mm in leads with negative QRS
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