DDx Summary Table

PP/PN Key Urgent DDx Other DDx
Typical Angina Pectoris exertional, , , lasting minutes,
not reproducible/pinpointable
+/- , worsened by inspiration, Resp symptoms **PTX - Pneumothorax,
,** !Cardiac Tamponade
**!PE - Pulmonary embolism
!AD - Aortic Dissection**
GI → Referred “Bruning”, Refluxes, GI symptoms , assoc. with burping, associated with food ,
, , Spasm (most common)
/
Bor ha syndrome (+ severe vomiting)*
Esophagitis
MSK and Derm Aching, dull, lasting a few seconds or days (treatment with X hours) Muscle tear, , Chest, ,
Psychiatric Having identifiable trigger, Hx of mood/anxiety disorder , ,

Dx of exclusion → PP vs. PN may not be helpful, need diagnostic testing

Location: Back, Abdomen?

Detailed DDx

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The Fatal 8

2 heart

2 lungs

2 Tubes

Screenshot 2026-01-26 at 2.24.14 PM.png

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Different Types of CADs

(Chronic, Vaso-spatic)
Pathophysiology Stable fixed plaque Unstable plaque (platelet aggregation) Thrombus (partial occlusion)
*Doesn’t matter small vs. big vessel Thrombus (full occlusion)
*Doesn’t matter small vs. big vessel
Cardiac Enzyme () MB normal/+ normal/+ ++ +++
TWI/Normal STD/TWI/Normal STD/TWI
STE
Normal RWMA/normal RWMA (hypokinesia)/Normal Regional* Akinesia, Decreased LVEF, Mechanical complications
Functional Test X X
Anatomical Test Non-invasive () Depends Invasive
() Invasive
()
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Physical Exam

Precordial Exam

NCBI - WWW Error Blocked Diagnostic

Usually no need of neuro

Usually no need of neuro