DSM Navigators Presentation PSYCH-304 / CLINICAL DIAGNOSTICS
Lesson 01
DSM Navigators
Mastering the Structure and Logic of Clinical Classification
Confidential Case Records
The Essential Question
"How do clinicians distinguish between normal emotional range and clinically significant pathology?"
The DSM-5 Framework
FILE REF: MANUAL_STRUCTURE
Categorical Approach
The manual organizes mental disorders into discrete categories based on groups of symptoms (syndromes).
Structural Logic
Organized developmentally—disorders diagnosed in childhood first, followed by those typical of adolescence, adulthood, and later life.
Core Diagnostic Requirement
"Symptoms must cause clinically significant distress or impairment in social, occupational, or other important areas of functioning."
CLINICAL OBSERVATION
Exercise: Symptom Isolation
Embedded media
Task: Do Not Diagnose
As you watch the interview snippet, record every specific behavior, verbalization, or reported emotion you observe.
Objective data only
Use patient's words when possible
Note non-verbal cues
ANATOMY OF A CRITERION SET
Duration
How long have the symptoms been present? (e.g., 2 weeks vs. 2 years)
Severity
To what degree do symptoms disrupt life? Mild, moderate, or severe?
Exclusions
Could this be caused by medical illness, drugs, or another disorder?
?
"Without these three anchors, a list of symptoms is just a list. A diagnosis requires the full context."
Workshop
Transition to "Symptom Mapper" worksheets. We will now apply these criteria to the case we just watched.
1
Observe
2
Map
3
Justify
Symptom Mapper Worksheet Symptom Mapper
Lesson 01: DSM Navigators / Clinical Diagnostics
NAME:
DATE:
Clinical Protocol
Your goal is not to diagnose. Your goal is to map clinical data. Watch the patient interview and record raw observations in the left column. In the right column, categorize those observations based on the three core clinical anchors: Duration , Severity , and Distress/Impairment .
1. Raw Observation Log
Observed Behavior/Speech Clinical Notes (Context & Frequency)
2. Clinical Anchors
DURATION
Identify the timeline for these symptoms. When did they start? Are they episodic or persistent?
SEVERITY
Assess the intensity of the symptoms. Are they "sub-threshold" or do they meet full diagnostic criteria?
FUNCTIONAL IMPAIRMENT
How do these symptoms interfere with social, occupational, or daily living activities?
3. Reflection
Based on your mapping, what is the single most significant piece of evidence that suggests this person may have a clinical disorder rather than normal emotional variation?
What crucial information is still missing from this interview that you would need to confirm a formal diagnosis?
Depression Spectrum Slides PSYCH-304 / MOOD DISORDERS
Lesson 02
Depression Spectrum
Differential Diagnosis of Unipolar Mood Disorders
Unipolar Classification
The Differential Challenge
High Intensity
Short Duration (2 Weeks)
Major Depressive Disorder
Low Intensity
Long Duration (2 Years)
Persistent Depressive Disorder
Symptom Domains
Vegetative Signs
Sleep: Insomnia or hypersomnia
Appetite: Significant weight loss/gain
Psychomotor: Agitation or retardation
Energy: Fatigue or loss of energy
Cognitive Signs
Worth: Feelings of worthlessness/guilt
Focus: Diminished ability to think
Hope: Thoughts of death/suicide
Interest: Anhedonia (loss of pleasure)
Exclusionary Criteria
CLINICAL ALERT
Grief vs. MDD
Grief often comes in waves; MDD is persistent and pervasive. Self-esteem is usually preserved in grief, but eroded in MDD.
Medical Causes
Always rule out hypothyroidism, vitamin deficiencies, or chronic inflammatory diseases that mimic depression.
Substance Use
Evaluate if symptoms are direct physiological consequences of medication or recreational drugs.
Split Screen
"Two patients walk into your office. Both are crying. Both haven't slept. But only one will leave with a diagnosis of Major Depressive Disorder. Why?"
Alex
Jordan
Open the "Depression Vignettes Worksheet" to begin the analysis.
Depression Vignettes Worksheet Depression Vignettes
Lesson 02: The Depressive Spectrum / Differential Diagnosis
NAME:
DATE:
A
Patient: Alex
Initial Presentation:
Alex (32) reports feeling "heavy" and "hollow" for the past 3 weeks. They describe a sudden "drop" in mood after a stressful project at work. Alex has stopped attending their weekly basketball game and hasn't called family in 10 days. They report sleeping 12+ hours a day but still feeling exhausted. "Everything feels like I'm moving through molasses," Alex says. They have lost 8 pounds in the last month because food "tastes like nothing." Alex reports significant difficulty focusing on simple tasks and feels that they are "failing at life." This is the first time Alex has felt this way.
B
Patient: Jordan
Initial Presentation:
Jordan (29) describes themselves as a "perpetual pessimist." They report feeling "low" and "gloomy" for as long as they can remember, definitely since starting their current job 3 years ago. Jordan still goes to work and manages their social obligations, but says they do it with "zero joy." They report frequent low self-esteem and occasional trouble sleeping, but their weight and appetite have remained stable. Jordan notes, "It’s not like I’m in a crisis, it’s just that life has been gray for years. I don’t remember what it feels like to be excited about something."
Diagnostic Analysis
Duration Check
Compare the timelines for Alex and Jordan. Do they meet the DSM thresholds for MDD or PDD?
Vegetative Profile
List the vegetative symptoms (sleep, weight, energy) present for each patient.
Functional Impairment Comparison
How does the depression manifest differently in their daily lives (work, social, health)?
PROPOSED DIAGNOSIS: ALEX
KEY JUSTIFICATION:
PROPOSED DIAGNOSIS: JORDAN
KEY JUSTIFICATION:
Bipolar Thresholds Slides PSYCH-304 / BIPOLAR SPECTRUM
Lesson 03
Bipolar Thresholds
Differentiating Mania, Hypomania, and Clinical Severity
Diagnostic Thresholds
The Spectrum Logic
Bipolar I Disorder
Defined by at least one Manic Episode.
Depressive episodes common but NOT required for diagnosis.
Bipolar II Disorder
Defined by Hypomanic Episode AND Major Depressive Episode.
If there is EVER a full manic episode, the diagnosis changes to Bipolar I.
The Threshold Line
Hypomania
Below the line
4 Consecutive Days
Noticeable change
NO marked impairment
NO psychosis
Mania
Across the line
1 Full Week
Marked Impairment
Hospitalization? (Automatic Mania)
Psychotic features? (Automatic Mania)
Symptoms of Elation
Grandiosity
Inflated self-esteem; feeling special or powerful.
Less Sleep
Decreased NEED for sleep (different from insomnia).
Pressure
Pressured speech; hard to interrupt the flow.
Impulsivity
Excessive involvement in high-risk activities.
DIG DEEPER
"Is the patient 'energetic and productive' or 'reckless and destructive'? That is the question of impairment."
The MDD Trap
Most patients with Bipolar II present to the clinic during a Depressive Episode.
If you don't screen for a history of Hypomania, you will diagnose them with MDD and potentially prescribe antidepressants that could trigger a manic switch.
Inside the Episode
"I felt like I was the sun. Everything was bright, fast, and for once, I was the one making the world move. I stayed up for three days writing a 'manifesto' for a new world government. I spent five thousand dollars on gold-leaf paper. It felt... righteous."
Anonymous Clinical Account, 2024
Analysis Challenge
Evaluate this account against the "Manic Threshold."
Evidence of Grandiosity?
Evidence of Impulsivity?
Evidence of Impairment?
Bipolar Case Chronicles Worksheet Bipolar Chronicles
Lesson 03: Bipolar Thresholds / Clinical Inquiry
NAME:
DATE:
Inquiry Objective
Analyze the following clinical accounts to determine the specific diagnostic threshold met. You must distinguish between Hypomania (Bipolar II) and Mania (Bipolar I) based on duration, presence of psychosis, and degree of functional impairment.
CASE FILE 301: THE ARCHITECT Exhibit A
"Last month, I didn't sleep for four days. I wasn't tired, though. I felt brilliant. I redesigned our entire firm's workflow in 72 hours. My coworkers said I was talking a mile a minute, but I was just excited. I didn't miss a single meeting and actually landed a new client. Then, about a week later, I crashed into a deep depression and couldn't leave my bed for ten days."
Clinical Markers Observed:
Grandiosity / Productivity
Decreased need for sleep
Marked Impairment in Work
Hospitalization Required
Analysis:
Does this episode cross the threshold into Mania? Why or why not?
CASE FILE 302: THE INVESTOR Exhibit B
"I was on top of the world. I felt like I could predict the future movements of the market. I liquidated my 401k and put it into a startup I'd never heard of because I had a 'vision.' I haven't been to my actual job in 10 days; I was too busy planning my future empire. Yesterday, the police brought me to the ER because I was found preaching on a street corner at 3 AM about my divine insight."
Clinical Markers Observed:
Grandiosity / Hallucinations
Impulsive Spending
Duration > 1 Week
Psychotic Features
Analysis:
Identify the specific 'Auto-Mania' triggers present in this account.
Differential Justification
1. Why is Bipolar II often more difficult to diagnose than Bipolar I in a clinical setting?
2. If a patient with Bipolar II is incorrectly diagnosed with Major Depressive Disorder (MDD), what is the primary clinical risk?
Anxiety Mechanisms Slides PSYCH-304 / ANXIETY DISORDERS
Lesson 04
Anxiety Mechanisms
Somatic Feedback Loops and Cognitive Overdrive
GAD vs Panic Disorder
The Anxiety Spectrum
Generalized Anxiety (GAD)
The "Perpetual Hum"
Excessive worry (6+ months)
Difficulty controlling the worry
Somatic: Muscle tension, fatigue
Panic Disorder
The "Sudden Storm"
Abrupt surge of intense fear
Fear of future attacks
Somatic: Racing heart, shortness of breath
Symptom Domains
Somatic (Physical)
Autonomic Arousal
Trembling/Shaking
Sweating
Muscle Tension
Nausea
Dizziness
Cognitive (Mental)
"What if?" Thinking (Future-oriented)
Catastrophizing
Hyper-vigilance
Fear of "Going Crazy" or Dying
Irritability / Restlessness
The Engine of Maintenance
1
Anxiety Trigger
2
AVOIDANCE
(Short-term relief)
3
Negative Reinforcement
"I only survived because I left."
Avoidance prevents the extinction of the fear response.
Experiential Learning
The Panic Feedback Loop
To understand Panic Disorder, we must understand how the mind misinterprets the body. We will now engage in a voluntary breathing exercise to observe mild somatic feedback.
Sensation
Shortness of breath, tingling in hands.
Misinterpretation
"I'm having a heart attack" or "I'm dying."
Anxiety Workshop Worksheet Anxiety Mechanics
Lesson 04: Anxiety Spectrum / Workshop
NAME:
DATE:
1. Domain Categorization
Distinguishing between what the patient thinks and what the patient feels physically is crucial for targeting treatment. Categorize the following symptoms into the correct clinical domain.
Somatic (Physical)
Cognitive (Mental)
Symptom Bank:
Muscle Tension • Catastrophizing • Sweating • Hyper-vigilance • Heart Palpitations • Restlessness • Fear of Dying • Nausea • Irritability • "What-if" Thoughts
2. The Avoidance Trap
Consider a patient with Panic Disorder who has a panic attack in a grocery store. As a result, they stop going to grocery stores alone (Avoidance).
Identify the "Short-Term Benefit" of this avoidance behavior:
Explain the "Long-Term Cost" (how does this maintenance behavior prevent recovery?):
3. Clinical Distinction
Describe the difference in the temporal profile (timing/onset) of anxiety in GAD versus Panic Disorder.
In Panic Disorder, what is the patient's primary cognitive fear between episodes?
Grand Rounds Presentation Slides Case Conference Room 4B / Diagnostic Review
Capstone Simulation
Grand Rounds
Complex Cases and Diagnostic Synthesis
Comorbidity & Differential Strategy
The Protocol
1
Deconstruct
Review the patient file. Separate the symptoms from the noise. Identify duration and severity markers.
2
Differentiate
Propose a primary diagnosis. Justify why it fits better than competing possibilities.
3
Defend
Present your case to the board. Address "Red Herrings" that might lead to misdiagnosis.
Beyond the Textbook
MOOD
Anxiety
COMORBIDITY
The "Grey Zone"
"Rarely do patients present with just one disorder. Your job is to find the primary driver of their distress."
Case File: #8201
The "Unsteady Artist" — A complex presentation of racing thoughts, severe lethargy, and avoidance.
Ref: Differential Required
Ref: Rule Out Comorbidity
Discussion Framework
Rule-Out Logic
"I ruled out MDD because the patient's symptoms lasted for 18 months at a low intensity, pointing more towards..."
Exclusion check
"Did we consider if the 'anxiety' episodes are actually just manifestations of a manic episode?"
The Red Herring
"Don't let the most loud or dramatic symptom distract you from the most persistent ones."
Grand Rounds Case File Document Confidential
Diagnostic Review Board
Patient Case File
File ID: #8201-MORGAN | Restricted Access
High Complexity
Date: Jan 17, 2026
Subject Profile
Name: Morgan R.
Age: 26
Occupation: Freelance Illustrator
Referral: Urgent Care (ER referral)
Intake Narrative
Morgan was brought to the clinic following an "intense episode" at their studio. The intake nurse noted that Morgan was pacing and speaking very quickly, stating that they were "finally solving the problem of light." Morgan reported they had not slept for three days, but insisted they felt "wired but exhausted."
Morgan described the last year as a "rollercoaster of static." For about 6 months, they felt "gray and heavy," barely meeting deadlines and withdrawing from social life. However, every few months, they experience 1-2 week bursts where their brain "spins too fast." During these times, Morgan reports being extremely irritable, having difficulty concentrating due to "racing thoughts," and experiencing frequent, sudden surges of intense physical fear (heart racing, trembling) that last for 15-20 minutes.
Morgan says: "Sometimes I think I'm the most talented person in the city, but then ten minutes later I'm hiding under my desk because I'm convinced my heart is going to stop. I'm just always on edge. I don't go to bars anymore because the lights and noise make the racing thoughts worse."
Clinical Vitals
Weight Change: -12lbs (3mo)
Sleep Average: 2-4 hrs/night
Work Impairment: Severe
Drug Screen: Negative
Differential Notes
"The patient's irritability is extreme. Racing thoughts are present, but so is significant physiological arousal characteristic of autonomic nervous system overdrive. Is the irritability a symptom of a Mood episode, or the result of chronic, unmanaged Anxiety?"
Symptoms Timeline
Phase Duration Primary Symptoms Observed Phase A (The Low) 6 Months Anhedonia, social withdrawal, hypersomnia, weight gain. Phase B (The Surge) 10 Days Racing thoughts, extreme irritability, decreased sleep, "pressure." Phase C (The Spikes) Episodic 15-min bursts of panic, avoidance of loud environments.
Clinical Challenge: The Red Herring
Morgan's episodes of "Panic" (Phase C) and "Avoidance" look like
Diagnostic Justification Form Document Diagnostic Justification
Lesson 05: Grand Rounds Simulation / Capstone Analysis
NAME:
DATE:
Clinical Instruction
Synthesize the case file data for Morgan (#8201). You must arrive at a single primary diagnosis and justify why other overlapping disorders were ruled out.
Primary Diagnosis
Core Evidence (Symptoms, Duration, & Severity):
Differential 1: GAD / Panic
Why does this not explain the full clinical picture? Identify the "surplus" symptoms that GAD cannot account for.
Differential 2: MDD
Why is "Unipolar Depression" an incomplete or incorrect diagnosis for Morgan?
Clinical Synthesis
1. The Comorbidity Question
Morgan presents with both mood cycling and discrete panic episodes. Do you believe these are two separate comorbid disorders, or is the anxiety a symptom of the mood disorder? Justify your stance.
2. Misdiagnosis Risk
If Morgan is prescribed a selective serotonin reuptake inhibitor (SSRI) for "Anxiety" without screening for the mood surges in Phase B, what is the specific clinical risk?
Board Member Signature
Date of Board Review
