Differential of Left Axis Deviation

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Across
  1. 2. Furosemide, kayexalate, or IV insulin to treat
  2. 4. This etiology of left axis is a "diagnosis of exclusion" and is characterized by a QRS axis of -45 to -90 deg and qR in I & aVL
  3. 5. This intracardiac shunt can be associated with a cleft mitral valve
Down
  1. 1. Prior RCA infarction Q-waves
  2. 3. widened QRS >120ms + broad monophasic R wave in I, V5,V6 that are notched
  3. 4. Patient with history of uncontrolled HTN