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ECG Case: STEMI vs Pericarditis

ECG Case: STEMI vs Pericarditis

Watch this video to learn how to distinguish between those two diagnosis

ECG Case: Atrial Flutter

ECG Case: Atrial Flutter

Consider AFl when ventricular rate is around 150 (plus or minus 20) Look for P-waves in lead V1 to make the right diagnosis

Atrial Septal Defect With Chiari Network (2)

Atrial Septal Defect With Chiari Network (2)

TTE subcostal view shows atrial septal defect and Chiari network. Video by Maged Al Ali MD.

Atrial Septal Defect With Chiari Network (1)

Atrial Septal Defect With Chiari Network (1)

TTE modified apical view shows atrial septal defect and Chiari network. Video by Maged Al Ali MD.

Extraperitoneal Laparoscopic Radical Prostatectomy Part 2

Extraperitoneal Laparoscopic Radical Prostatectomy...

Video presents extraperitoneal laparoscopic radical prostatectomy by Christopher Eden.

Bonding Fixed Permanent Retainer

Bonding Fixed Permanent Retainer

Bonding fixed permanent retainer (twistflex). Video by Dr Amr Asker

Brackets Removal

Brackets Removal

Removing orthodontic brackets and appliance. Video by Dr. Amr Asker.

Cervical Artificial Disc Replacement

Cervical Artificial Disc Replacement

Dr. Corenman produced this video on Cervical Artificial Disc Replacement (ProDisc-C) and explains it against ACDF fusion. The cervical artificial disc replacement has been designed to allow some motion of the defective segment by replacing the damaged disc with this implant. This theoretically reduces stress on the segments above and below to prevent further degeneration of these segments. The artificial disc however has some disadvantages that need to be understood. The ProDisc-C artificial disc mimics a portion of the behavior of a normal cervical disc. The normal cervical disc allows motion but is restrained at endpoint of motion. That is-the normal disc acts like a bushing where motion at the extreme limits is dampened by the fibers of the annulus. The artificial disc does not have this constraint and this can occasionally put more stress on the facets than the normal disc would. Also, the artificial disc does not have shock absorption capabilities like the normal disc does. This rigidity in compression can allow increased wear. The disc is made of chrome-cobalt alloy. This alloy obscures MRI images so assessment of this segment in the future can become more difficult.

Isometric Neck Exercises

Isometric Neck Exercises

Isometric neck exercises are strengthening maneuvers that can be done soon after neck surgery to continue to tone the muscles. Isometrics pit one muscle against its antagonist (the muscle that performs the exact opposite motion). In this way, there is no motion of the attached vertebral structures (in this case the neck) but the muscles gain the benefit of use to prevent deconditioning. The "around the world neck strengthening exercises" are important in the recovery process following surgery. There are 4 directions of neck motion: forward (flexion), backwards (extension), lateral bending to the left and to the right. If you place your hand against your head and push with equal strength your head against your hand and vice versa, there is muscle contraction of the neck but no neck motion. If you do this in the 4 compass directions around your head-you have effectively completed "around the world neck strengthening exercises." Presented by Dr. Donald Corenman.

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