Key moments, in order
Criterion A, big-T trauma, means direct threat to life, serious injury or sexual assault.
Exposure is broad. Encountering traumatic material electronically as part of your work counts, a carve-out for people who work child abuse cases, and so does hearing people assaulted or killed in another prison cell.
For clinical purposes it helps to add that it happened in a manner that shocked or scared you, closer to DSM-IV, though not strictly in the criteria. You need something reasonably objective matched by a subjective experience.
Unusual routes exist. A delusion or hallucination is not objectively threatening, but most people who could not tell it from reality would be threatened. And in forensics, people can develop PTSD from being the assailant.
Not everyone who has even a big-T trauma develops PTSD, and not everyone who develops it keeps it. By some research, the majority remit without any treatment within a year.
It does not take that severity. A complicated death in the family, finding someone dead at home, or simply a car accident can be enough in vulnerable people.
Many clinicians diagnose PTSD without going through the criteria: they see a persistent fear or mood problem plus a criterion A trauma and call it PTSD. Walk the criteria.
Criterion B is intrusion: recurrent involuntary distressing memories, trauma-related dreams, dissociative reactions or flashbacks, intense or prolonged distress, and marked physiological reactions to reminders.
Criterion D is a large, persistent change in how the person feels and relates to themselves and others. It is almost characterological, but it happens in people with no prior personality problems, and in clear cases outside war veterans you see it almost without exception.
The primary mimic is persistent or major depression. Several core criteria resemble a depressive episode, and not everyone knows to disclose, or is comfortable disclosing, their traumas.
Self-blame is a hallmark. Abused children blame themselves and think it is because they are bad, often confused by any part that was exciting. Adults show an irrational self-blame they can see is irrational yet believe almost 100 percent, like the person who was at every appointment and still feels they could have done more for a dying parent.
People with PTSD tell you they are depressed, stuck in negative emotions and not doing what they used to, but often they do not look depressed. A classical, more biological depression looks different even when life is going OK.
It is very easy to miss trauma without a good CAPS-5 style screen, and even then patients may forget to tell you. They are not hiding it: talking about it is upsetting and dysregulating, and part of the memory seems dissociated.
Shame is a major, often unacknowledged part of trauma: shame about the event, and shame about not enjoying positive things, so patients feel like monsters.
Psychodynamic work matters more for early-onset trauma, where pure CBT struggles.
Criterion E is a change in the threat system: irritability and anger outbursts with little provocation, reckless or self-destructive behavior, hypervigilance, exaggerated startle, concentration problems and sleep disturbance. The hypervigilance is threat detection, not generalized anxiety and not the paranoia of psychosis, though it can sound the same if you stay on the surface.
The stress response is always on and gets provoked by the littlest things. When the amygdala lights up, Broca's speech area goes offline, so there is no verbal, cognitive processing during flashbacks.
In a normal memory the sensations, emotions and thoughts are integrated into your sense of self and other. In a traumatic event those parts do not get integrated into a whole experience that can be processed.
Read it as dis-association. Any two parts of the mind can be linked, a memory with words or a behavior with an emotion. In dissociation, two parts that would normally be connected become unlinked.
This is not an invitation to try to uncover lost memories. Be careful: the research of Elizabeth Loftus shows what a clinician can induce.
Look for an unexplained decline instead: 'You told me about some traumas and a recovery, yet three years ago you started really declining and did not mention anything that year. What was stressing you out?'
Have them walk you through an ordinary day in the period before the problem. That narrative can show things like intermittent freezing that they would never put in those words.
There is a huge spectrum, from some small disconnection to a full dissociative state where the face goes blank and the person almost seems not present.
Freezing and dissociation can be so subtle that they read as hesitation, thinking, or not wanting to answer. You have to be pretty attentive to catch it.
You need a temporal relationship and sequence between the traumas and the syndrome, because every one of these symptoms shows up in other conditions too.
A lot of voice hearing is not a schizophrenia spectrum disorder but comes from cultural background, a personality trait or syndrome, or PTSD. In severe PTSD, apparent voices, noises or shadows flitting past are often a dissociative process, not psychotic features.
In the first month, PTSD symptoms without the full syndrome are acute stress disorder. They often get better on their own, but being stuck with them is a sign to seek treatment.
Different criteria dominate in different patients: for some it is all hyperarousal, for others negative cognition and mood.
Where trauma therapy is out of reach, traditional spiritual practice and a spiritual community, with safe, trusting relationships and support, have brought good improvement, for free.
Trust is the fundamental thing to establish first, in any treatment but especially trauma. That does not mean believing everything the patient says; it means demonstrating that you and the treatment are trustworthy, because early trauma teaches people that nothing is.
A white coat and stethoscope do not earn these patients' trust. Acknowledge that it is OK not to trust you, and work for it.
Avoid dysregulating the patient: a diagnosis is not psychotherapy. Tell them you are not trying to pull them back into trauma memories, you need to reach a medical diagnosis, and they can ask for a break, pause or stop.
Monitor their state question by question. Missing growing irritation can end in a patient getting very emotional and angry at you.
When it happens, name it ('it seems like I'm irritating you, and I don't blame you, these are annoying questions'), explain why you ask, and give back the agency to stop. You do not need all hundred answers today: the fact that something cannot be gathered now is information, and the black box can be filled in later.
Each moment is a point made in the episode, linked to the second it was said. The topic links open everything the podcast has said on that topic.