CWEA GRADE 1 LAB ANALYST EXAM STUDY GUIDE
2025/2026 COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES || 100%
GUARANTEED PASS <BRAND NEW VERSION>
What is the definition of STEMI (5 things) ......ANSWER........1)
New ST segment elevation in 2+ contiguous leads >1mm in all
leads other than V2-V3
2) For V2-V3:
≥2mm in Men >40years
≥2.5mm in Men <40 years
≥1.5mm in Women
,age 2 of 41
3) Modified Sgarbossa Criteria :
a) Concordant ST elevation ≥ 1 mm in ≥ 1 lead
b) Concordant ST depression ≥ 1 mm in ≥ 1 lead of V1-V3
c) Proportionally excessive discordant STE in ≥ 1 lead anywhere
with ≥ 1 mm STE, as defined by ≥ 25% of the depth of the
preceding S-wave
4) Wellen's Pattern (biphasic or TWI in V2-V3)
5) De Winter's (Hyperacute T-Waves in V2-V3)
Describe Wellens the lesion location ......ANSWER........Proximal
LAD
Ddx STE (6) ......ANSWER........- LVH
- Ventricular paced rhythm
,age 3 of 41
- Normal variant (e.g. benign early repolarization)
- Hyperkalemia
- Pulmonary embolism
- Prinzmetal's angina (e.g. vasospasm)
- Acute pericarditis
- Left ventricular aneurysm
- Osborn wave of hypothermia
- Brugada's syndrome
- LBBB
- ICH
- Post cardioversion
, age 4 of 41
3 meds to give in ED before cath lab ......ANSWER........ASA
(antiplatelet)
Ticagrelor (antiplatelet)
Heparin (anti-thrombin)
3 time intervals as benchmarks in STEMI ......ANSWER........Door to
EKG: 10 min
Door to drug: 30 min
Door to balloon: 90 min
What are 6 causes of MI with normal coronaries?
......ANSWER........Vasospasm
Iatrogenic (aortic or coronary manipulation)
Trauma