Peripheral Circulatory Complications
Peripheral Circulatory Complications - Related Videos
05:33
Physiology of the Circulatory System - Concepts
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2019
Homeostasis Conditions in the external environment of an organism can change rapidly and drastically. To survive, organisms must maintain a fairly constant internal environment, which involves continuous regulation of temperature, pH, and other factors. This balanced state is known as homeostasis, which describes the processes by which organisms maintain their optimal internal conditions. To maintain homeostasis, organisms have developed structures with distinct functions. Physiology is the...
03:26
Physiology of the Circulatory System - Instructor Prep
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2019
Measuring Blood Pressure ExpandTo prepare for the blood pressure exercise, simply place the appropriate number of alcohol swabs, sphygmomanometers, and stethoscopes at the front of the classroom. Be sure to check over each of the component parts of the sphygmomanometers, including the tubing, cuff, manometer, and bulb to ensure they are undamaged. Respiration in Fish ExpandTo prepare for the fish respiration experiment, one week before the goldfish arrive, set up two 10-gallon tanks in the room...
07:24
Physiology of the Circulatory System - Student Protocol
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2019
Measuring Circulatory System Function in Humans ExpandBefore starting the experiment go to the front of the room and collect an alcohol swab, a sphygmomanometer, and a stethoscope. Clean the earpieces with the alcohol swab and then insert them into your ears. To check if the stethoscope is in the on position, gently tap the flat metal disc called the diaphragm. If you hear a sound it's on. If not, turn the metal disc and tap again and keep turning and tapping the disc until you hear a sound.
02:03
Anatomy of the Circulatory System
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2019
The human circulatory system consists of blood, blood vessels that carry blood away from the heart, around the body, and back to the heart, and the heart itself, which acts as a central pump. The systemic circuit supplies blood to the whole body, the coronary circuit supplies blood to the heart, and the pulmonary circuit supplies blood flow between the heart and lungs. Blood travels from the right atrium to the right ventricle of the heart through the tricuspid valve, then from the right...
07:08
Assessing and Flushing a Peripheral Intravenous Line
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2023
Source: Madeline Lassche, MSNEd, RN and Katie Baraki, MSN, RN, College of Nursing, University of Utah, UT After peripheral intravenous (IV) access is initiated, it is important to assess and maintain the IV catheter according to institutional policies and nursing standards of practice. The regular assessment of the insertion site and the surrounding areas for signs of complications is necessary to prevent IV catheter complications, including infiltration, phlebitis, infection, extravasation, or...
FAQs
Arterial narrowing limits the amount of oxygenated blood reaching peripheral tissues. Reduced delivery can cause pain and impair the tissue’s ability to heal, particularly when the restriction persists. With prolonged ischemia, meaning inadequate blood supply, tissue injury may progress to ulcers, necrosis, or gangrene. This mechanism explains why severity and duration of impaired flow influence clinical outcomes.
Arterial problems primarily reduce oxygen delivery, whereas venous dysfunction promotes blood pooling and edema, or excess fluid accumulation. These mechanisms create different circulation problems even though both can impair tissue health and healing. Distinguishing the pattern helps clinicians interpret symptoms and examination findings, while recognizing that either process may contribute to wounds or progressive tissue damage.
A clot can obstruct an already vulnerable vascular pathway and further restrict circulation. The resulting reduction in flow may intensify oxygen deprivation or interfere with normal drainage, depending on the affected vessel. Because obstruction can contribute to pain, tissue injury, and impaired healing, identifying thrombosis as a possible mechanism is important when evaluating a change in peripheral circulation.
Evaluation begins with a medical history and physical examination, followed by circulation assessment and vascular imaging when indicated. These approaches help identify impaired arterial flow, venous dysfunction, clot-related obstruction, or consequences such as tissue damage. Combining clinical findings with imaging supports recognition of the underlying problem and helps determine whether treatment is needed to prevent progression.
Circulatory impairment can make diabetes-related wounds more difficult to heal by limiting adequate tissue perfusion or promoting swelling and fluid accumulation. Assessment of circulation therefore adds important context when clinicians evaluate these wounds. Identifying a vascular contribution can support timely management and help reduce the risk that tissue injury will progress to more severe damage.
Postoperative vascular problems may alter blood flow or produce complications that threaten tissue health. A history, physical examination, circulation assessment, and vascular imaging can help identify these changes. Early recognition supports timely treatment and prevention of progression, making circulation monitoring particularly relevant when new pain, impaired healing, or other evidence of peripheral vascular dysfunction appears after a procedure.