The human brain is an incredible organ. It contains billions of neurons and is responsible not only for the higher functions that set us apart from all other living things, but also is responsible for maintaining all of our life sustaining functions. It weighs about 3 pounds (approximately 2% of total body weight) yet it consumes [...]
"When faced with managing the airway of the pregnant patient, it is important to understand the anatomic and physiologic changes that occur during gestation. Not only does the pregnant female have to oxygenate, ventilate, perfuse and nourish the developing fetus, specific anatomic changes occur due to hormonal changes and fluctuations due to pregnancy. Often, intubation and [...]
Predicting the difficult airway is a combination of art and science. Sometimes the airway that looks relatively easy to manage can turn out to be a nightmare and the supposedly difficult airway based on external assessment can be managed relatively simple to maintain. A good rule of thumb is to always hope for the best [...]
The role and consequences of mechanical ventilation during transport is something that must be both understood and respected. While it can free up much needed manpower and allow for more consistent delivery of oxygen and removal of carbon dioxide, it can also have negative effects if applied incorrectly. Broadly speaking, mechanical ventilation can be utilized [...]
Many traumatic injuries result in outwardly gruesome and visually grotesque injuries. Abdominal trauma however, often can go unnoticed and can be a silent killer if the injuries go unrecognized or untreated. While skeletal injuries often present with obvious deformity and are easily recognized, abdominal injuries are much more difficult to identify. In regards to traumatic injuries [...]
Many EMS providers have difficulty deciphering the difference between Placenta Previa and Abruptio Placenta in the field. While both conditions have some signs and symptoms as well as risk factors in common, each has its own defining factors and presenting symptomology such as the presence and consistency of vaginal bleeding. In this article we will outline [...]
Utilizing invasive hemodynamic monitoring utilizing an arterial line has both advantages and risks that healthcare providers need to be aware of. While it offers the ability to monitor real time beat to beat changes in perfusion status, it also has potential complications that non invasive monitoring devices do not have. All prehospital providers should be familiar [...]
Mass Casualty incidents and natural or man made disasters are some of the most physically and emotionally charged and challenging calls that an EMS provider can face. Whether you are a first responder, EMT, AEMT, Paramedic or advanced provider, the fear of what lies ahead coupled with the overwhelming of the immediately available resources can [...]
In the two previous installments, we talked about the role of cardiac output and blood volume as it pertains to overall perfusion in the human body. Today we will finish up with the circulatory system and how it assists the body not only in day to day maintenance of homeostasis but also how it responds to [...]
