Vocabulary and Definitions
2025/2026
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, A physical finding of air within the subcutaneous tissue, described
Subcutaneous emphysema as a crackling or popping feeling under the skin
A pathological process characterized by the widespread activation
of the clotting cascade that results in the formation of blood clots in
the small vessels throughout the body. Interferes with the body's
Disseminating Intravascular ability to use fibrin for clotting when its actually needed thus
Coagulation increasing the chances of severe hemorrhage
Sepsis, tumors, and trauma
Disseminating intravascular
coagulation is most commonly
caused by?
Transected aorta
Also referred to as a traumatic
dissection or rupture of the aorta
Shear forces cause the layers of the aorta to separate allowing
blood to enter, this increases the pressure within the artery causing
Transected aorta it to begin to dissect
Severe hypotension
Severe tearing chest pain that may radiate to the back
Signs and symptoms of a Difference in pulses in the left/ right upper extremities or weak
transected aorta pulses in the lower extremities
Rhabdomyolysis Acute destruction of skeletal muscle
Rhabdomyolysis
Occurs when crush syndrome
causes skeletal muscle to
undergo necrosis and cellular
changes causing it to begin
degeneration
Kehr's sign Referred pain to the left shoulder caused by a ruptured spleen
The heart and vessels are working but oxygenated blood is not
Obstructive shock being delivered adequately due to an obstruction
Cardiac tamponade, tension pneumothorax, pulmonary embolism
Common causes of obstructive
shock
Lack of vascular tone or major vasodilation hinders the ability of
Distributive shock blood to perfuse through the body (the pipes are too big)
Sepsis, anaphylaxis, neurological/ spinal trauma, toxic exposure
Common causes of distributive
shock
Any significant reduction in the volume of the cardiovascular
Hypovolemic shock system
Hemorrhage, severe burns, fluid/ electrolyte loss (vomiting,
Common causes of hypovolemic diarrhea, sweating, excessive urination), and "third spacing" of
shock fluid that can occur in severe pancreatitis or ascites of the liver