This video animation on Percutaneous coronary intervention (PCI) or coronary angioplasty was developed by the NEJM team, some of its topics include:

Pathophysiology of ST segment elevation
Thrombus generation
Objectives of primary PCI

This video lecture is excellent for USMLE review, it explores an algorithm for the management of deep venous thrombosis and pulmonary thromboembolism.

The following video presents algorithms that are of great help when studying atrial fibrillation management for USMLE.

This slideshow presents the most important strip patterns that can be found on a ECG.

PPT Outline:

RHYTHM STRIP REVIEW
MEASURING INTERVALS
MEASURING INTERVALS
Sinus Rhythms
NORMAL SINUS RHYTHM
SINUS ARRHYTHMIA
SINUS TACHYCARDIA
SINUS BRADYCARDIA
SINUS PAUSE
SINUS ARREST
Atrial Rhythms
Atrial fibrillation

ATRIAL FLUTTER
ATRIAL TACHYCARDIA
PAC
WANDERING ATRIAL PACEMAKER
Junctional Rhythms
JUNCTIONAL RHYTHM
PJC
ACCELERATED JUNCTIONAL
JUNCTIONAL TACHYCARDIA
SVT
Heart Blocks
First Degree AV Block
Second Degree AV Block, TYPE I
Second Degree AV Block, TYPE II
Third Degree AV Block
Bundle [...]