A publication by Medzcool, for healthcare students and professionals.

The Cardiac Cycle (P-QRS-T)

November 01, 2021

The cardiac cycle is represented on an electrocardiogram (EKG) as a series of waves labeled P-QRS-T, representing electrical depolarzation through the heart.

Atrial Fibrillation vs. Atrial Flutter

April 10, 2020

The difference between atrial fibrillation and atrial flutter originates from the source atrial depolarization and subsequent pattern of ventricular conductions.

Electrocradiogram Findings in Hyperkalemia

January 20, 2020

Elevations in serum potassium levels can affect the conduction of electricity through the heart causing cardiac dysrhythmias and even lead to cardiac arrest

Emergency Cricothyroidotomy

January 11, 2020

The emergency cricothyroidotomy is a procedure that is performed to obtain an airway when the care provider cannot obtain another means of a definitive airway or if there are contraindications to orotracheal intubation

Glasgow Coma Scale (Score)

January 08, 2020

The Glasgow Coma Scale is a neurological scale used to assess and trend a patient's level of consciousness.

Sgarbossa Criteria

January 07, 2020

The Sgarbossa Criteria, is a tool that you can use to help read through electrocardiograms with left bundle branch blocks in patients you are concerned for myocardial ischemia.

The Apgar Score

January 07, 2020

The Apgar score was invented in 1952 as a scoring system used to assess the health of the newborn and identify those who require emergent attention.

Cardinal Movements of Labor

January 06, 2020

The seven cardinal movements of labor refer to the different positions a neonate undergoes during the labor and delivery process. These include: engagement, descent, flexion, internal rotation, extension, external rotation and expulsion

The Rule of Nines

January 04, 2020

The rule of nines can be used to estimate the total body surface area burned in adult and pediatric patients by using multiples of 9 to estimate surface total body surface area burned