June 2017 Flashcards

1
Q

What are 6 treatment categories for thyroid storm?

A
  1. Block symapathetic surge
    - Propanolol 1 mg
  2. Block T4 production
    - PTU
    - Methimazole
  3. Block TSH release
    - Potassium iodine
  4. Treat AI
    - Hydrocortisone 100 mg or Dex 4 mg
  5. Supportive
    - Benzos, IVF,
  6. L-carnitine - blocks T4 entry into cells
    Cholesytramine - blocks enterohepatic recirculation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are BP targets for 1.Ischemic stroke (lytics vs. none), 2. SAH 3. IPH

A
  1. Stroke - lytics <185/105. No lytics <220/110 (12-25% reduction in 24h)
  2. SAH <140/90
  3. IPH <160 sys or what stroke wants
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

ddx RAD

A

Structural

  • RVH
  • PE
  • Pulm HTN
  • COPD
  • Pediatric

Electrical

  • RBBB
  • Lateral MI
  • LPFB
  • WPW

Drugs/metabolic

  • TCA
  • Na chan blocker
  • Hyper K
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the 7 mechanisms of TCA?

A
  1. Na channel blocker
  2. K channel blocker
  3. NE and DA reuptake inhibitor
  4. Anti- muscarinic
  5. Anti- Gaba
  6. Alpha blocker
  7. Histamine release
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are 7 Hard and 8 soft signs of neck trauma?

A

Hard Signs

  1. Airway compromise
  2. Expanding hematoma
  3. Severe active bleeding
  4. Shock non responsive to fluids
  5. Decr or absent radial pulse
  6. Vascular bruit/thrill
  7. Cerebral ischemia

Soft signs

  1. Hemoptysis/hematemasis
  2. Orophargyneal blood
  3. Dyspnea
  4. Dysphonia/Dysphagia
  5. SQ air or mediastinal air
  6. Chest tube air leak
  7. Non-expanding hematoma
  8. Focal neuro deficits
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What does C3PO+R2D2 mean? DVT wells score

A
Cancer
Calf swelling
Collateral v. 
Prev DVT
Oedema
Tender calf
Recent Immobilization
Recent sx
DVT unlikely (-2)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are 5 abdominal injuries missed by CT?

A
  1. Pancreatic
  2. Bilary system
  3. Diaphramatic
  4. Bowel/holoviscous
  5. Subacute presentations?
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are 6 findings of hypoK on ecg?

A
  1. Peaked p
  2. Prolonged PR
  3. Flat T
  4. U wave
  5. STD
  6. QT prolongation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Where are U waves found on ecg? in hypoK

A

usu v1-v3 precordial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are 10 causes of hypoK?

A
Incr loss
GI
- Diarrhea
- vomiting
- Laxatives

Renal

  • RTA
  • DKA
  • Hyperaldosteronism
  • Diuretics

Decr intake: ETOH, malnutrition

Shift:

  • Alkalosis
  • Insulin
  • B agonists
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A 0.3 mmol/L drop in K is how much total body depletion?

A

100 mmol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Why give Mg with K?

A
  • Needed for Na-K ATPase low Mg results in K+ excretion

-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

List 10 causes of hyperK

A

False elevation:
* Hemolysis —> during, after blood draw

Renal Failure:
* Acute or chronic —> decreased elimination

Shift —> acidosis

  • DKA
  • Addison’s
  • Adrenal insufficiency
  • Type 4 RTA

Cell death:

  • Rhabdomyolysis
  • Tumor lysis syndrome
  • Massive hemolysis
  • Massive transfusion
  • Crush injury
  • Burn

Drugs:

  • BBs
  • Acute dig toxicity
  • Succ
  • ACE-I / ARBs
  • NSAIDs
  • Spironolactone
  • Amiloride (K sparring diuretic)
  • K tabs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what are Na and K in AI?

A

Hyponatremia, hyperkalemia.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

5 ecg findings hyperK

A
  1. Peak T waves
  2. Flat P
  3. prolonged PR
  4. Widened QRS
  5. Sine wave
  6. STE
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

10 symptoms of hyper Ca

A
Psychiatric - depression, psychosis
Abdominal pain
Renal colic
Polyuria
Bone pain
Loss of appetite.
Nausea and vomiting.
Constipation and abdominal pain.
Increased thirst and frequent urination.
Fatigue, weakness, and muscle pain.
Confusion, disorientation, and difficulty thinking.
Headaches.
Depression.
17
Q

3 ecg changes in hyper Ca

A

The main ECG abnormality seen with hypercalcaemia is

  1. shortening of the QT interval
  2. Osborn waves (J waves) - severe
  3. Ventricular irritability and VF arrest has been reported with extreme hypercalcaemia