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Transient Ischemic Attack l: Introduction

Transient Ischemic Attack l: Introduction

A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...

Ischemic Stroke l: Introduction

Ischemic Stroke l: Introduction

Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.

Seizures ll: Types

Seizures ll: Types

Seizures are sudden bursts of abnormal electrical discharge in the brain that interfere with normal function. They are commonly divided into three groups: focal seizures, generalized seizures, and other types that do not fit neatly into either category.Focal SeizuresFocal seizures begin in a single brain region. When awareness is preserved, they are called focal aware seizures and may cause sensations such as tingling, unusual smells, or flashing lights. When awareness is impaired, they are...

Ischemic Stroke ll: Pathophysiology

Ischemic Stroke ll: Pathophysiology

An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...

Hemorrhagic Stroke l: Introduction

Hemorrhagic Stroke l: Introduction

A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...

Seizures l: Introduction

Seizures l: Introduction

Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...

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Updated: May 12, 2026

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia

Published on: August 18, 2015

Limb-shaking transient ischemic attack.

Abhijit Das¹, Neeraj N Baheti

¹Kessler Foundation Research Center, West Orange, USA.

Journal of Neurosciences in Rural Practice

|April 3, 2013

Summary

This summary is machine-generated.

Limb shaking Transient Ischemic Attack, a rare symptom of carotid artery disease, can mimic epilepsy. Accurate diagnosis and blood pressure management can resolve attacks and prevent strokes.

Keywords:

Carotid occlusion hypertension limb-shaking transient ischemic attack seizure mimics stroke transient ischemic attack

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Published on: February 2, 2017

Area of Science:

Neurology
Vascular Neurology
Cerebrovascular Disease

Background:

Limb shaking Transient Ischemic Attack (TIA) is an uncommon presentation of carotid-occlusive disease.
Symptoms often resemble focal seizures, leading to misdiagnosis.

Observation:

A case of an elderly male with recurrent limb shaking TIAs initially diagnosed as epilepsy.
Key differentiating features from seizures include lack of Jacksonian march/aura and precipitation by carotid compression maneuvers.

Findings:

The patient's symptoms improved with optimized blood pressure management.
This case underscores the diagnostic challenges and importance of recognizing limb shaking TIA.

Implications:

Accurate diagnosis of limb shaking TIA is crucial for appropriate management.
Treating underlying carotid artery occlusion can eliminate attacks and reduce stroke risk.