2 mn read
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What is a clonus? | What is Ankle & Patellar Clonus?

Posted in Neurosurgery

2 mn read Definition It is a set of involuntary and rhythmic muscular contractions and relaxations. It is a sign of certain neurological conditions, particularly involving upper motor neuron lesions. In many cases it is accompanied by spasticity (another form of hyperexcitability).  Term infants can be hyperreflexic, and a few beats of clonus can be a normal finding […]

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5 mn read
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Can Gas cause Headache?

Posted in Neurosurgery

5 mn read Can Gas cause Headaches? Can Gas cause headache? Here is a common rather funny query by patients which makes us smile often. There is no logical explanation on how abdominal gas will reach the brain to cause headaches? And you would be surprised that this is a very common query being searched on Google every […]

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2 mn read
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Hypertensive Pontine Hemorrhage

Posted in Neurosurgery

2 mn read Contents Case Report Introduction Signs and symptoms Pathophysiology Diagnosis Treatment Hypertensive Pontine Hemorrhage Video Case Report 52yr old male k/c/o HTN not on regular medication Presented with sudden onset loss of consciousness On Examination GCS – E1VetM1 Pupils -B/L 1mm NRTL (Pin-Point Pupils) Planters B/L mute CT Scan Hypertensive Pontine Hemorrhage Hypertensive Pontine Hemorrhage: Introduction […]

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9 mn read
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Neuro Urology and The Neurogenic Bladder

Posted in Neurosurgery

9 mn read 1. Neurogenic bladder refers to dysfunction of the urinary bladder due to disease of the central nervous system or peripheral nerves involved in the control of micturition .  2. Non Neurogenic bladder refers to dysfunction of the urinary bladder due to dynamic disturbance of genitourinary system.    Micturition Pathway 3. detrusor muscle of the bladder […]

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2 mn read
3

Acute Subdural Hematoma with Extradural Hematoma: CT Comma Sign

Posted in Neurosurgery

2 mn read The CT comma sign is a characteristic sign seen in head trauma. It is the presence of concurrent epidural and subdural hematomas, which gives the characteristic appearance of this sign as a “comma” shape.            70/M  Chief Complaints: Numbness Lt Arm, 1 Episode of Partial seizure,Lt grip weakness since today morning.  H/o Fall 3 days back.  […]

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4 mn read
1

MRI Spectroscopy : Neurosurgery Notes

Posted in Neurosurgery

4 mn read   MR spectroscopy provides a measure of brain chemistry. The most common nuclei that are used are  1H (proton) 23Na (sodium) 31P (phosphorus).  Proton spectroscopy is easier to perform and provides much higher signal-to-noise than either sodium or phosphorus. MRS can be performed within 10-15 minutes and can be added on to conventional MR imaging […]

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2 mn read
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Hypothalamus Anatomy : Neuroanatomy/ Neurosurgery Notes

Posted in Neurosurgery

2 mn read  Video Link:Neurosurgery written board crash course – hypothalamus    hypothalamus as the name suggests is directly underneath the thalamus and it’s directly above the pituitary  borders of the hypothalamus can be drawn by a triangle  line between the anterior commissure and a posterior commissure and it’s called the ACPC line line between the anterior commissure […]

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2 mn read
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Neuroanatomy MCQs Cram Sheet 1

Posted in Neurosurgery

2 mn read Q1. The “Nissl substance” represents which organelle of neuron?A. Golgi complexB. NucleolusC. Rough endoplasmic reticulumD. Mitochondria Ans: The cytoplasm of a neuron shows the presence of a granular material that stains intensely with basic dyes called Nissl substance (also called Nissl bodies or granules) . These bodies are rough endoplasmic reticulum Q2. Which of the […]

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