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Neurology > Stroke > Flashcards

Stroke Flashcards

1
Q

In wake up stroke, whatbis the imaging modality used to diagnose it?

A

MRI (Diffusion +ve; FLAIR - ve)

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2
Q

What is the test that must be done before giving alteplase in stroke?

A

Blood glucose

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3
Q

In stroke, What is the cut off blood pressure value above which I can not give rTPA?

A

220/120

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4
Q

In stroke, Before giving rTPA, what is the goal blood pressure?

A

Less than 185/110

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5
Q

IN STROKE What is the goal blood pressure after giving rTPA?

A

<180/105

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6
Q

Blood glucose level range when giving rTPA?

A

140- 180

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7
Q

What is Maximum dose allowed in rTPA (IV alteplase)

A

90 mg over 60 mins

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8
Q

In stroke, NIHSS Score required for giving IV rTPA

A

> 5

. IV alteplase is not recommended with nondisabling symptoms (NIHSS 0 to 5)

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9
Q

In stroke, For a patient with cerebral microbleeds <10, should we give him IV alteplase?

A

Yes

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10
Q

In stroke, For a patient with cerebral microbleeds >10, should we give him IV alteplase?

A

No, it increases risk of intracerebral hge.

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11
Q

Should A patient who has been treated with full treatment dose of low-molecular-weight
heparin (LMWH) in the previous 24 hours receive iv alteplase?

A

No

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12
Q

Following the initiation of IV alteplase, IV aspirin should not be administered within…..

A

90 mins

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13
Q

In the 24 hours after IV alteplase treatment, the patient’s BP should be maintained at….

A

Less than 180/105

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14
Q

What is the time frame during which i can give iv alteplase in stroke

A

4.5 hrs

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15
Q

In stroke, after iv RTPA, when is antithrombotic agent given?

A

Antithrombotic given 24 hrs post infusion

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16
Q

Time frame of mechanical thrombectomy in stroke

A

Within 6 hours

17
Q

Maintain BP at… /…. mm Hg or less during mechanical thrombectomy and
for 24 hours after the procedure.

A

180/105 mmHg

18
Q

Asprin should be given after…… Of givingiv alteplase

A

24 hrs

19
Q

In stroke, Antihypertensive used for lowering BP before giving iv alteplase

A

Labetalol, NiCARdipine o Clevidipine

20
Q

• For a patient with AIS who has a BP greater than 220/120 mm Hg, who is not receiving IV
alteplase or EVT, and who has no comorbid hypertensive disease, consider lowering the BP by……….
% in the 24 hours after the onset of AIS.

A

15%

21
Q

In most AIS patients with atrial fibrillation, starting anticoagulation between day… and…..
post event is recommended.

A
22
Q

• The most common cause of fever in the first 48 hours after acute
stroke is…….

A

Pneumonia

23
Q

Most seizures associated with stroke are….

A

Focal

24
Q

• Bihemispheric strokes can result in………… respiration

A

Cheyne- stokes respiration

25
Q

Tx of post stroke depression

A

Fluoxetine

26
Q

Cerebral blood flow in an infarcted core

A

<10 mL/100 g/min

27
Q

Cerebral blood flow in a penumbra (pre infarction) (stroke)

A

17 to 10 mL/100 g/min

28
Q

Duration of neurological deficit in stroke?

A

> 24 hrs

29
Q

Duration of neurological deficit in TIA ?

A

< 24 hrs (without acute infarction or tissue injury)

30
Q

Typical duration of TIA?

A

< 1 hr (often minutes )

31
Q

Mortality rate of stroke?

A

25%

32
Q

Types of stroke?

A
  1. Ischemic, blockage of:
    A. Small vessel
    B. Large vessel
    C. Cardio-embolic
  2. Hemorrhagic: ruptured BV
33
Q

Most common type of stroke?

A

Ischemic stroke

34
Q

Most common cause of hemorrhagic stroke?

A

Uncontrolled HTN

35
Q

Type of weak BV in hemorrhagic stroke?

A
  1. Aneurysms
  2. Arterio-venous malformations
36
Q

Types of ischemic stroke?

A
  1. Embolic
  2. Thrombotic
37
Q

Sites of ruptured BV in hemorrhagic stroke?

A
  1. Inside the brain
  2. In the membrane surrounding the brain
38
Q

Ischemic core & penumbra?

A
  1. Normal CBF: 50mL/100g/min
  2. Benign oligemia: CBF>17mL/100g/min
  3. Penumbra: 17 to 10 mL100g/min
  4. Infarct core: <10 mL/100g/min

Neurology (15 decks)

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