Test II Combined Pathologies Flashcards

(43 cards)

1
Q

Describe Refsum Disease.

A

Deficiency in the a- hydroxylase enzyme.

Accumulation of phytanic acid in plasma and nerve tissues.

Neurological damage due to phytanate accumulation.

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2
Q

Describe SIDS

A

Medium chain fatty acyl CoA dehydrogenase deficiency causes 10% of the cases of SIDS.

Frequency of the disease is 1:10,000 birth with an autosomal recessive mode of inheritance.

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3
Q

Describe Methylmalonic acidemia?

A

Methylmalonyl CoA mutase is missing.

In some cases conversion of Vitamin B 12 into coenzyme form is missing.

Causes metabolic acidosis and mental retardation.

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4
Q

Describe Kwashiorkor?

A
  • Protein Deficiency
  • Emma, Fatty Liver
  • Hypoproteinemia
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5
Q

Describe Von Gierke Disease

A
  • Type I GSD; autosomal recessive
  • Lack of glucose-6-phosphatase
  • Accumulation of glycogen
  • Hypoglycemia, hepatomegaly, lactic acidosis, Gout
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6
Q

Describe McArdle Disease

A
  • Type V GSD;
  • Glycogen phosphorylase deficiency
  • Exercise intolerance
  • “Second Wind” Phenomenon
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7
Q

Describe Cori Disease.

A
  • Type II GSD
  • Debranching enzyme a-1,6 -glucosidase
  • Hepatomegaly and hypoglycemia
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8
Q

Describe Arcus Semitic.

A
  • Cholesterol deposits in the cornea

- Hyperchlesterolemia

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9
Q

Describe Xanthelasma

A

Cholesterol deposits under skin

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10
Q

Describe cholelothiasis

A
  • higher cholesterol in bile acid leading to gall stones
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11
Q

Describe Tennis Elbow

A
  • Extensor forearm musculature overuse
  • Pain at lateral epicondyle
    Commonly the extensor carpi Radialis BREVIS
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12
Q

Describe Golfer’s elbow

A
  • Medial epicondylitis

- Pain repetitive use of superficial anterior forearm muscles

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13
Q

What is De Quervain’s disease?

A
  • Thickening of Common fibrous sheath of APL and EPB leading to tendonitis
  • pain/tenderness over insertion tendon on palpating
  • Finkelstien test
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14
Q

What is a Galeazzi fracture?

A

Fracture of the radius with dislocated distal radio-ulnar joint

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15
Q

Describe Barton’s fracture

A
  • An intraarticular fracture of the distal radius with dislocation of the radiocarpal joint
  • outstretched arm with forearm pronated and hand flexed.
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16
Q

Describe Carpal tunnel syndrome.

A
  • paresthesias,
    pain, numbness, and loss or impairment of function
    of the hand over the distribution of the median
    nerve.
  • Usually caused by repetitive motion (repetitive motion
    injury), but it may be due to trauma (e.g. fracture of the
    lunate), tendonitis, space-occupying lesions (ganglion cysts),
    occupational hazards (carpenters, typists, rowers, vibrating
    tools…)
    -
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17
Q

Describe Colles Fracture

A
  • Avulsed Ulnar styloid process
  • Distal fragment of radius overrides rest of bone
  • “Dinner Form” Deformity
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18
Q

Describe Smith fracture.

A
  • Falling on posterior hand while flexed

- Posterior comes out posterior

19
Q

Describe common cause of avascular necrosis.

A
  • Common complication fo scaphoid fracture

- Most often happen in fracture of proximal 1/3

20
Q

Describe Dupuytren’s contractures

A
  • fibrosis of the palmar aponeurosis with shortening of
    the digital bands, especially those to the 4th and 5th fingers.
  • pull the digits in such marked flexion at the MPJ that they cannot be
    straightened.
21
Q

Describe Boxer’s fracture?

A
  • Fracture of metacarpal of the hand

- Metacarpal 5 usually

22
Q

Describe Mallet Finger

A
  • Sudden severe tension on a Long extensor tendon which avulses part of its attachment to phalanx
  • Hyperflexion of DIPJ at extensor Digitorum tendon
23
Q

Describe be nurse aids elbow

A

children 1-3 y/o = incomplete dislocation (subluxation) of the head of the radius (AKA slipped elbow , nursemaid s elbow ). Occurs when the child is suddenly lifted by the upper limb when the forearm is pronated.

24
Q

Describe Erb-Duchene paralysis.

A
  • Upper brachial plexus
  • violent, excessive separation of neck/shoulder, etc
  • violent stretching of infants neck
  • Waiter’s tip Position
25
Describe middle brachial plexus injuries.
- rare - SN C7 - Adduction, abduction, extension, and lateral rotation
26
Describe Djerine-Klumpke Paralysis
- Lower brachial plexus - Shoulder dislocation - Affects C8/T1; similar to Ulnar nerve injuries - Loss of flexion at wrist, paralysis of muscles of hand (Claw Hand), and inability to adduct due to involvement of medial pectoral nerve
27
Describe Crutch Palsy
- Radial Nerve affected - Wrist drop - Abduction and adduction of the hand are impaired. - Impaired cutaneous sensation over the dorsum of the hand. - Thumb movement is impaired. - if posterior interosseus injured, only thumb movements affected
28
Describe damage to axillary nerve.
- Injury may result from fracture of the surgical neck of the humerus. - It affects the deltoid and teres minor muscles. - It leads to loss of abduction and impaired lateral rotation.
29
Describe damage to MSC nerve
- Flexion of the forearm is lost. - Flexion at the shoulder is lost. - Sensory loss to the lateral forearm.
30
Describe Volmanns contracture
- Ischemia from brachial artery - Sometimes prolonged tourniquet - IP flexion, MO extension, Wrist flexion, forearm pronation, elbow flexion, thumb Adduction
31
What nerve is affected by fractures of the surgical neck of humerus?
Axillary
32
Describe supracondylar fractures
- falling onto a hyper extended elbow - transverse fracture spanning two epicondyles - Volkmann;s ischemic Fracture
33
Describe Huntington’s disease
- triple CAG repeats - Los of GABAergic neurons - Symptoms start in 40s - Involuntary movements w/ chorea - putamen/cuadate nucleus
34
What are the symptoms of hypercholinergic drugs?
SLUDGE ``` Salivation Lacrimation Urination Diarrhea GI Emesis ```
35
Describe Brown-Sequard syndrome
- Loss of pain/temp on one side; Proprioception, vibration, and touch on contralateral side
36
Describe Shingles
- Dorsal root ganglion neurons affected - Chicken pox virus lie dormant - Affects 2 adjacent dermatomes
37
Describe Muscular dystrophy
- X linked disease - wheelchair by 12-12 - dead by 20 - defect in dystrophin
38
Describe malignant hyperthermia
- Autosomal dominant mutation - Ryanodine receptor - Normal muscle function - Anesthetics and strenuous exercise causes abnormal release of Ca from SR resulting in sustained contraction and heat production
39
Describe Facial Palsy?
- CN VII - Mydriasis - Facial muscle paralysis - failure to close eye (orbicularis oculi)
40
What is anosocoria?
Pupillary inequality
41
Describe Horners syndrome
1. Anhydrosis 2. Pupil constriction 3. Partial ptosis 4. Enophthalmos - Interruption Of Sympathetic supply to head
42
Describe Sjögren’s syndrome
- Chronic inflammatory autoimmune disease - Deficiency of exocrine glands - Xerostomia And keratocojuctivatis
43
Describe Pheochromocytoma
- abnormal increases in production of E/NE by chromaffin cells - Patients suffer from sudden attacks of chest pain, hypertension, headache, racing heart, diaphoresis. - high catecholamine levels and excessive sympathetic activity.