A stroke is a life-threatening medical emergency caused by interrupted blood flow to the brain, resulting from a blocked or ruptured blood vessel. The effects of a stroke depend on the location and extent of the brain damage, with each side of the brain controlling the opposite side of the body. For instance, a stroke on the right side of the brain will affect the left side of the body and vice versa. When it comes to IV access for stroke patients, there are differing opinions on whether to start lines on the affected side or the unaffected side. Some sources suggest that IV access should be established on the unaffected side to ensure the patient can sense any issues such as infiltration. However, others argue for the affected side as it is less likely to become dislodged. Ultimately, the decision may depend on various factors, including the specific circumstances of the patient and the preferences of the medical team.
Characteristics | Values |
---|---|
IV access side | Affected side or unaffected side |
Rationale for affected side | Less likely to come dislodged |
Rationale for unaffected side | Patient can discern if the IV is infiltrated and the affected side may spasm and affect flow |
Right AC | Requested by some stroke centres |
Right AC | Preferred by some for better and more effective Contrast CTs |
What You'll Learn
IV access in stroke patients: affected or unaffected side?
A stroke is a life-threatening medical emergency that occurs when there is a blockage or bleeding in the blood vessels supplying the brain. This can lead to brain cells dying within minutes due to oxygen deprivation, resulting in permanent brain damage, long-term disability, or even death. Thus, timely treatment is crucial to improving the chances of successful recovery.
The effects of a stroke depend on the location and extent of the brain damage, with each side of the brain controlling the opposite side of the body. A stroke on the left side of the brain will affect the right side of the body and vice versa. For instance, a stroke on the right side of the brain can cause paralysis or reduced movement on the left side of the body, as well as sensory disturbances, vision loss, and personality changes.
When it comes to IV access in stroke patients, there are differing opinions among medical professionals. Some sources suggest that IV access should be established on the unaffected side. This is because the patient will have sensation on that side and can alert medical staff if there are issues such as infiltration or dislodgement of the IV. Additionally, the affected side may experience spasms that could affect the flow or dislodge the IV.
On the other hand, some medical professionals argue for IV access on the affected side, as it is less likely to be dislodged due to the patient's limited movement on that side. In the end, the decision on which side to place the IV may depend on various factors, including the specific circumstances of the patient, the preferences of the medical team, and the protocols of the medical facility.
It is important to note that stroke treatment extends beyond IV access and typically involves a combination of medication and procedures such as thrombolytics, thrombectomy, blood pressure management, and surgery, depending on the type and severity of the stroke. Additionally, rehabilitation plays a crucial role in helping stroke survivors regain lost functions and adapt to any lasting changes in their brain.
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The impact of stroke location on the body
The impact of a stroke on the body depends on its location in the brain. The brain is an extremely complex organ that controls both motor and sensory functions throughout the body. When a stroke occurs, blood flow is disrupted to a particular region of the brain, which then affects the body functions that are controlled by that region. The effects of a stroke vary from person to person, but there are common patterns depending on the location.
The brain can be divided into three main areas: the cerebrum (left and right sides), the cerebellum (back of the brain), and the brain stem (base of the brain). The cerebrum controls movement, feeling, chewing, swallowing, and cognitive abilities such as thinking, reasoning, judgment, memory, and awareness of surroundings. A stroke on the left side of the cerebrum will generally cause paralysis and sensory changes on the right side of the body, as well as problems with speech and language. A stroke on the right side of the cerebrum will typically result in similar effects on the left side of the body, along with issues related to spatial thinking and imagery.
The cerebellum, located at the back of the brain, is involved in sensory functions, muscle control, and coordination. Strokes in this area are less common but can lead to severe effects such as an inability to walk and ataxia (trouble with coordination and balance). The brain stem controls vital "life-support" functions, including heartbeat, blood pressure, and breathing, as well as eye movement, hearing, speech, chewing, and swallowing. A stroke in the brain stem can affect both sides of the body and may result in breathing problems, heart function issues, balance and coordination difficulties, paralysis, and speech and swallowing impairments.
In addition to these main areas, the brain also consists of lobes, including the frontal, parietal, occipital, and temporal lobes. The frontal lobe is responsible for motor skills, executive functioning, speech, language, and social skills. A stroke in this area can lead to motor impairments, problem-solving issues, behavioural changes, and speech difficulties. The parietal lobe is involved in sensory interpretation, language skills, and spatial awareness. A stroke here may cause hemineglect (poor awareness of one side of the body), difficulty with reading and writing, and aphasia (speech difficulties).
The temporal lobe, located within the cerebrum, controls language comprehension, hearing, and other sensory processes. A stroke in this area can affect hearing, vision, and speech comprehension. The occipital lobe, also a part of the cerebrum, plays a crucial role in vision. An occipital lobe stroke often results in vision difficulties, including central vision loss and cortical blindness.
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The impact of stroke severity on the body
The impact of a stroke on the body depends on its severity, type, location, and number. The brain is an extremely complex organ, and each part has a specific function or ability. When a stroke occurs, blood flow to the brain is disrupted by a blockage or a ruptured blood vessel. This can lead to permanent loss of function in the part of the body controlled by the affected area of the brain.
The brain can be divided into three main areas: the cerebrum (right and left sides), the cerebellum (back of the brain), and the brainstem (base of the brain). The cerebrum controls movement, feeling, chewing, swallowing, cognitive abilities, awareness of surroundings, and bowel and bladder control. A stroke in the right hemisphere of the cerebrum can cause left-sided weakness, paralysis, sensory loss, and vision problems, while a stroke in the left hemisphere can lead to similar issues on the right side, as well as problems with speech, understanding language, and math skills.
The cerebellum is less commonly affected by strokes but can result in severe consequences, including an inability to walk and coordination and balance issues. The brainstem controls vital functions such as heartbeat, blood pressure, and breathing, as well as eye movement, hearing, speech, chewing, and swallowing. A stroke in this region can have devastating effects, including breathing and heart function problems, balance and coordination issues, and paralysis.
The severity of a stroke determines the extent of these physical, emotional, and cognitive changes. Physical changes may include difficulty with gripping objects, fatigue, incontinence, pain, and restricted physical abilities. Emotional changes can manifest as depression, anxiety, irritability, aggressiveness, or apathy. Cognitive changes may include impaired thinking, memory, and perception, affecting a person's ability to learn new skills, problem-solve, pay attention, and orient themselves.
The long-term effects of a stroke depend on the location and extent of the damage to the brain tissue. Early treatment and rehabilitation are crucial for improving recovery, and many individuals are able to regain significant function. However, some individuals may require residential care or modifications to their living arrangements.
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The impact of stroke type on the body
A stroke is a life-threatening condition that occurs when there is an issue with blood flow to the brain. This can be due to blocked arteries or bleeding in the brain, resulting in brain cells being starved of oxygen and dying. The effects of a stroke depend on the type, severity, and location, with each stroke being unique. However, there are common ways in which strokes tend to affect the body.
Ischemic Stroke
Ischemic strokes are the most common type, accounting for about 80% of all strokes. They occur when blood vessels in the brain are blocked by blood clots or plaque build-up, causing a lack of blood flow to the brain. This can lead to:
- One-sided weakness or paralysis
- Aphasia (difficulty speaking or understanding speech)
- Slurred or garbled speech
- Loss of muscle control on one side of the face
- Partial or total loss of senses
- Blurred or double vision
- Loss of coordination
- Dizziness
- Nausea and vomiting
- Emotional instability and personality changes
- Confusion or agitation
- Memory loss
- Severe headaches
- Passing out or fainting
Hemorrhagic Stroke
Hemorrhagic strokes are caused by bleeding in or around the brain, which can be due to ruptured or leaky arteries, aneurysms, or high blood pressure. The effects of this type of stroke include:
- Severe headaches
- Seizures
- Coma
- Partial or total loss of senses
- Slurred or garbled speech
- One-sided weakness or paralysis
- Loss of muscle control on one side of the face
- Loss of coordination
- Dizziness
- Nausea and vomiting
- Emotional instability and personality changes
- Confusion or agitation
- Memory loss
Location of Stroke
The location of the stroke within the brain also plays a crucial role in determining its impact on the body. A stroke on the left side of the brain will affect the right side of the body, often resulting in paralysis, sensory changes, speech/language problems, and slow behavioural changes. On the other hand, a stroke on the right side of the brain will affect the left side of the body, leading to paralysis, sensory changes, spatial thinking difficulties, and quick behavioural changes. Additionally, a stroke occurring towards the back of the brain can result in some form of visual disability.
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The impact of stroke size on the body
A stroke on the left side of the brain can result in paralysis on the right side of the body, sensory changes, speech and language problems, and a slow, cautious behavioural style. It can also lead to problems with thinking and memory, and even spatial neglect, where the person becomes unaware of the affected side. The person may bump into objects, not comprehend body parts or objects on the left side, or only eat food on the right side of the plate. These issues can reduce their ability to live independently and increase the risk of physical injury and accidents.
On the other hand, a stroke on the right side of the brain can lead to paralysis on the left side of the body, spatial thinking and imagery issues, and quick, inquisitive behaviour. It can also cause emotional changes, such as pseudobulbar affect (PBA), which results in sudden and unpredictable emotional outbursts that don't match the situation. For example, a person with PBA may laugh at something sad or cry at something happy. These outbursts can be challenging to live with, as the person may feel like they've lost control of their emotions.
The size of the stroke can also impact cognitive functions, such as thinking, reasoning, memory, and judgment. Larger strokes can cause more extensive damage to the brain tissue, leading to more severe cognitive deficits. Additionally, the size of the stroke can affect the person's level of independence. A larger stroke that results in more significant physical or cognitive impairments may require the person to rely on carers or move to a residential care facility.
It's important to note that early treatment and rehabilitation after a stroke can significantly improve recovery. Many people regain a lot of their abilities, and rehabilitation can help promote positive changes and recovery.
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Frequently asked questions
There are differing opinions on this matter. Some medical professionals opt for the affected side, as it is less likely to become dislodged. Others prefer the unaffected side, as the patient will be able to feel and communicate any issues, such as infiltration. Some stroke centres request an 18-gauge IV in the right AC (anterioclavicular), regardless of the affected side.
The affected side is chosen as it is less likely to become dislodged due to spasms or reduced movement.
The patient will be able to feel and communicate any issues with the IV, such as infiltration, due to having sensation on the unaffected side.
Potential complications include the IV becoming dislodged or infiltrated, and the patient occluding the line.