Midterm: Clinical Reasoning Flashcards

1
Q

The process of arriving at methods to determine accurate diagnosis and appropriate treatment and management within the constructs of informed medical decision making.

A

Clinical reasoning

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2
Q

Which form of clinical reasoning uses past experiences, basic knowledge, and pattern recognition to make a diagnosis?

A

Non-analytical

-faster, implicit, shortcuts

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3
Q

Which form of clinical reasoning involves processes of hypothesis testing to derive a diagnosis and follows evidence based guidelines?

A

Analytical

-slower, deliberate, careful

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4
Q

Which system (analytical or non) is best?

A

A combined approach

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5
Q

What are two things that play a role in clinical reasoning?

A
  1. Problem representation
    - a summary sentence of highlights of the case
    - -situational factors, specific differences
  2. Diagnostic Justification
    - hypothesis generation based on facts
    - evidence
    - uses problem representation to formulate diagnostic processes to justify
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6
Q

Which part of a patient interaction is the initial DDx to provide questions and tests for the rest of the interview?

A

CC

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7
Q

Which part of the patient interaction involves asking the patient questions to allow you to use pertinent positives and negatives to both rule in and rule out differentials?

A

History

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8
Q

Which part of patient interaction can help confirm or deny hypothesis, can provide further positives and negatives, and allows more hands on approach at furthering your DDx?

A

Physical

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9
Q

Which part of the patient interaction can help rule in leading diagnosis and rule out remaining diagnosis?

A

Labs

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10
Q

What is the proportion of patients with the disease finding, or positive result?

A

Sensitivity

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11
Q

Sensitivity when negative rules ____ diseases

A

Out

SnOUT

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12
Q

What is the proportion of patients without the disease finding, or a negative result?

A

Specificity

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13
Q

When specificity is positive, it rules the disease ___

A

In

SpIN

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14
Q

when using a likelihood ratio box, a+c=?

A

n1

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15
Q

when using a likelihood ratio box, b+d=?

A

n2

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16
Q

when using a likelihood ratio box, what a/n1=?

A

Sensitivity

a=number of people with disease present
n1=total number

17
Q

when using a likelihood ratio box, d/n2?

A

Specificity

d=number of people with disease absent
n2=total number of people

18
Q

How do you calculate positive LR?

A

Se/(1-Sp)

Or

(a/n1)/(b/n2)

19
Q

What would 1 be on positive LR? What about 10?

A

1=0%
2=15%
5=30%
10=45%

The bigger the number, the better

20
Q

How do you calculate negative LR?

A

(1-Se)/Sp

Or

(c/n1)/(d/n2)

21
Q

what would 1 represent on negative LR? What about 0.1?

A

1=0%

  1. 5=-15%
  2. 2=-30%
  3. 1=-45%

The smaller the number, the better