{"id":37193,"date":"2026-07-04T07:03:54","date_gmt":"2026-07-04T01:33:54","guid":{"rendered":"https:\/\/atsixty.com\/?p=37193"},"modified":"2026-07-04T07:35:40","modified_gmt":"2026-07-04T02:05:40","slug":"mood-disorders-depression-mania-the-spectrum-between","status":"publish","type":"post","link":"https:\/\/atsixty.com\/index.php\/morning-rounds\/mood-disorders-depression-mania-the-spectrum-between\/","title":{"rendered":"Mood Disorders \u2014 Depression, Mania & the Spectrum Between"},"content":{"rendered":"\n\n\n\n\nMorning Rounds · Psychiatry · Mood Disorders<\/title>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Source+Serif+4:ital,wght@0,300;0,400;0,600;1,400&display=swap\" rel=\"stylesheet\">\n<style>\n#psy01 *,#psy01 *::before,#psy01 *::after{box-sizing:border-box;margin:0;padding:0}\n#psy01{\n --py:#34547A;\n --py-light:#4A6B95;\n --py-pale:#E8EEF5;\n --py-dark:#243C56;\n 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.mr-band-s{background:var(--py-pale);color:var(--py)}\n#psy01 .mr-retry{display:block;margin:18px auto 4px;background:transparent;border:2px solid var(--py);color:var(--py);border-radius:8px;padding:9px 28px;font-family:'Playfair Display',serif;font-size:0.92rem;font-weight:700;cursor:pointer}\n#psy01 .mr-retry:hover{background:var(--py);color:#EEF3FA}\n@media(max-width:480px){#psy01 .mr-title{font-size:1.4rem}#psy01 .mr-num{font-size:1.7rem}#psy01 .mr-stem{font-size:0.9rem}#psy01 .mr-opt-text{font-size:0.86rem}}\n<\/style>\n\n<div id=\"psy01\">\n\n <div class=\"mr-header\">\n <div class=\"mr-eyebrow\">Morning Rounds · Psychiatry Series · Round 01<\/div>\n <div class=\"mr-title\">\n Mood Disorders —<br><em>Depression, Mania & the Spectrum Between<\/em>\n <\/div>\n <div class=\"mr-subtitle\">Five cases · MDD, bipolar I\/II, mixed features & double depression · Trust your instinct<\/div>\n <div class=\"mr-chips\">\n <span class=\"mr-chip\">5 Cases<\/span>\n <span class=\"mr-chip\">+4 \/ −1 scoring<\/span>\n <span class=\"mr-chip\">Options reshuffled<\/span>\n <\/div>\n <\/div>\n\n <div class=\"mr-sentinel\" id=\"psy01-sentinel\"><\/div>\n\n <div class=\"mr-progress\" id=\"psy01-progress\">\n <div class=\"mr-prog-inner\">\n <div class=\"mr-pips\" id=\"psy01-pips\"><\/div>\n <\/div>\n <\/div>\n\n <div class=\"mr-body\">\n <div id=\"psy01-cases\"><\/div>\n <div class=\"mr-submit-wrap\">\n <button class=\"mr-btn\" id=\"psy01-submit\">Submit for Debrief<\/button>\n <\/div>\n <div class=\"mr-score\" id=\"psy01-score\">\n <div class=\"mr-score-in\">\n <div class=\"mr-score-ey\">Round Complete<\/div>\n <div class=\"mr-ring\" id=\"psy01-ring\">\n <div class=\"mr-ring-in\">\n <span class=\"mr-ring-pct\" id=\"psy01-pct\">0%<\/span>\n <span class=\"mr-ring-sub\">net<\/span>\n <\/div>\n <\/div>\n <div class=\"mr-score-title\">Your Debrief<\/div>\n <div class=\"mr-score-net\" id=\"psy01-net\"><\/div>\n <div class=\"mr-verdict\" id=\"psy01-verdict\"><\/div>\n <div class=\"mr-bands\">\n <span class=\"mr-band mr-band-c\" id=\"psy01-ct-c\"><\/span>\n <span class=\"mr-band mr-band-w\" id=\"psy01-ct-w\"><\/span>\n <span class=\"mr-band mr-band-s\" id=\"psy01-ct-s\"><\/span>\n <\/div>\n <button class=\"mr-retry\" id=\"psy01-retry\">↻ New Round<\/button>\n <\/div>\n <\/div>\n <\/div>\n\n<\/div><!-- end #psy01 -->\n\n<script>\n(function () {\n 'use strict';\n\n var NS = 'psy01';\n var TOTAL = 5;\n var MAX = 20;\n var LTRS = ['A','B','C','D'];\n\n var QS = [{\"id\": 1, \"tag\": \"Major Depressive Episode vs. Grief\", \"stem\": \"A 34-year-old loses her father 3 weeks ago. She now reports low mood, poor sleep, reduced appetite, and difficulty concentrating that occur intermittently, with some days she manages errands and laughs with her children. She denies anhedonia, guilt beyond missing her father, or suicidal ideation. Does she meet criteria for a major depressive episode?\", \"correct\": \"Uncomplicated grief — mood is intermittent, positive affect is preserved, with no pervasive anhedonia or guilt.\", \"opts\": [\"Uncomplicated grief — mood is intermittent, positive affect is preserved, with no pervasive anhedonia or guilt.\", \"Major depressive episode — DSM-5 dropped the bereavement exclusion, so two weeks of symptoms after a loss now automatically qualifies.\", \"Excluded from MDD entirely — DSM-5 retains a strict two-month bereavement exclusion window overriding symptom severity in every single case.\", \"Major depressive episode — poor sleep, poor appetite, and concentration trouble alone meet the threshold once they persist two weeks.\"], \"exp\": \"DSM-5 removed the bereavement exclusion, but it did not make grief and major depressive disorder synonymous — the distinction now rests on symptom quality and persistence rather than timing alone. Her presentation shows preserved capacity for positive affect, intermittent (not pervasive) low mood, and no true anhedonia or pathological guilt — features that favour uncomplicated grief over MDD.<br><br>The second option misreads the DSM-5 change as making any post-loss symptom cluster automatically diagnostic — removing the exclusion means grief no longer rules out MDD, not that loss now guarantees it. The third option states the opposite error, reviving the now-discarded DSM-IV exclusion as if it still applies. The fourth ignores that mood and anhedonia, not isolated vegetative symptoms, anchor the diagnosis.\", \"imgId\": null}, {\"id\": 2, \"tag\": \"Bipolar I vs. Bipolar II\", \"stem\": \"A 27-year-old describes a 5-day period of elevated mood, decreased need for sleep, and excessive spending, after which she returned to baseline without any work or relationship disruption. She has had two prior similar episodes and several depressive episodes lasting weeks at a time. What diagnosis fits, and why?\", \"correct\": \"Bipolar II disorder — this meets hypomania's duration and severity threshold, with recurrent major depressive episodes, not mania.\", \"opts\": [\"Bipolar II disorder — this meets hypomania's duration and severity threshold, with recurrent major depressive episodes, not mania.\", \"Bipolar I disorder — four or more days of elevated mood with decreased sleep and spending is sufficient alone to call this mania.\", \"Cyclothymic disorder — two years of fluctuating, subthreshold hypomanic and depressive symptoms fits this recurrent pattern best of all the options.\", \"Bipolar II disorder — but only if her depressive episodes also carry melancholic features, which this presentation hasn't established.\"], \"exp\": \"Hypomania requires ≥4 days of distinct mood elevation without marked functional impairment, psychosis, or hospitalisation — exactly what's described here. Bipolar II is defined by at least one hypomanic episode plus at least one major depressive episode, without any full manic episode ever occurring.<br><br>The duration and absence-of-impairment threshold is precisely what separates hypomania from mania — option 2 collapses that distinction, which would make every hypomanic episode a manic one. Cyclothymia requires symptoms that don't reach full episode criteria for 2+ years; here the episodes are described as fully formed and time-limited, not a low-grade chronic fluctuation. And Bipolar II's depressive-episode requirement is simply 'major depressive episode' — no melancholic-features stipulation exists.\", \"imgId\": null}, {\"id\": 3, \"tag\": \"Mixed Features & Antidepressant-Induced Switch\", \"stem\": \"A patient with Bipolar I disorder started on an SSRI monotherapy for a depressive episode develops increased energy, racing thoughts, and irritability within two weeks, alongside persistent depressed mood and guilt. What is happening, and what does it imply for management?\", \"correct\": \"A mixed features episode, likely triggered by SSRI monotherapy without a mood stabiliser on board — the antidepressant needs reassessing.\", \"opts\": [\"A mixed features episode, likely triggered by SSRI monotherapy without a mood stabiliser on board — the antidepressant needs reassessing.\", \"Simple SSRI treatment resistance — raising the dose further is the right next step, since mixed symptoms in bipolar depression often need more.\", \"An unrelated new anxiety disorder developing alongside ongoing depression, best treated as generalised anxiety rather than a mood-episode shift.\", \"Normal fluctuation within one depressive episode, since irritability and energy shifts are recognised features of atypical depression itself.\"], \"exp\": \"Concurrent depressive and manic\/hypomanic symptoms define a mixed features episode. In bipolar disorder, antidepressant monotherapy — without a mood stabiliser or antipsychotic on board — is a well-documented trigger for manic, hypomanic, or mixed switches, which is exactly the temporal pattern here.<br><br>Raising the SSRI dose would be the wrong move if the antidepressant itself is implicated in the switch — that risks worsening the mixed state. Reframing this as an isolated new anxiety disorder ignores that the symptom cluster fits a single mixed mood episode, not two separate processes. And persistent guilt plus newly elevated energy and racing thoughts within two weeks of starting an antidepressant is a switch pattern, not within-episode fluctuation.\", \"imgId\": null}, {\"id\": 4, \"tag\": \"Persistent Depressive Disorder & Double Depression\", \"stem\": \"A 40-year-old reports feeling 'down most of the time' for the past 3 years, with poor appetite, low energy, and low self-esteem, never symptom-free for more than 2 months at a stretch, though never severe enough to stop working. Two months ago her mood worsened further with marked anhedonia and early morning waking. What is the most accurate way to characterise this presentation?\", \"correct\": \"Persistent depressive disorder with a superimposed major depressive episode — the so-called double depression, both coded together.\", \"opts\": [\"Persistent depressive disorder with a superimposed major depressive episode — the so-called double depression, both coded together.\", \"A single three-year major depressive episode, since DSM-5 allows MDD to be diagnosed for any duration once the symptom threshold is met.\", \"Persistent depressive disorder alone, since this disorder cannot, by definition, co-occur with a superimposed major depressive episode.\", \"Cyclothymic disorder, since alternating between a chronic low baseline and a more severe period matches its defining fluctuating pattern.\"], \"exp\": \"Persistent depressive disorder requires depressed mood for most days over ≥2 years, with symptom-free intervals never exceeding 2 months — matching the chronic baseline here. When a full major depressive episode is superimposed on this chronic picture, DSM-5 explicitly allows both diagnoses concurrently — the so-called 'double depression.'<br><br>Calling this a single 3-year MDD episode ignores that MDD requires a more acute symptom threshold than the chronic baseline described. Persistent depressive disorder and a superimposed MDD episode are not mutually exclusive — DSM-5 specifically permits both being coded together. And cyclothymia is a bipolar-spectrum condition involving hypomanic, not solely depressive, fluctuations, which doesn't fit this purely depressive picture.\", \"imgId\": null}, {\"id\": 5, \"tag\": \"Atypical Features Specifier\", \"stem\": \"A 29-year-old reports low mood that brightens noticeably when good things happen, alongside sleeping 10 hours a night, increased appetite with weight gain, a heavy 'leaden' feeling in her limbs, and extreme sensitivity to perceived criticism in relationships. Which depression subtype does this suggest, and what treatment consideration follows?\", \"correct\": \"Atypical features specifier — mood reactivity plus hypersomnia, hyperphagia, leaden paralysis, and rejection sensitivity define this pattern.\", \"opts\": [\"Atypical features specifier — mood reactivity plus hypersomnia, hyperphagia, leaden paralysis, and rejection sensitivity define this pattern.\", \"Melancholic features specifier — mood reactivity and hypersomnia are its core features, still warranting the same first-line tricyclic approach.\", \"Atypical features specifier, but this makes SSRIs contraindicated entirely, requiring an MAOI as first-line regardless of practical drawbacks.\", \"Seasonal affective disorder, since hypersomnia, increased appetite, and weight gain define this subtype regardless of any seasonal pattern.\"], \"exp\": \"Atypical features are specifically mood reactivity plus two or more of: hypersomnia, hyperphagia\/weight gain, leaden paralysis, and rejection sensitivity — all present here.<br><br>Melancholic features are essentially the opposite — mood unreactive to positive events, with insomnia and anorexia\/weight loss, not hypersomnia and hyperphagia. MAOIs show particular efficacy in atypical depression historically, but they are not mandated as exclusive first-line therapy given practical limitations; SSRIs remain reasonable. And seasonal affective disorder requires a specific seasonal pattern of onset\/remission as its defining feature — nothing here establishes that timing pattern.\", \"imgId\": null}];\n\n var answers = {};\n var answered = 0;\n var shuffled = {};\n var done = false;\n\n function byId(id) { return document.getElementById(id); }\n function gid(suffix) { return byId(NS + '-' + suffix); }\n\n function shuffleArr(arr) {\n var a = arr.slice(), i, j, tmp;\n for (i = a.length - 1; i > 0; i--) {\n j = Math.floor(Math.random() * (i + 1));\n tmp = a[i]; a[i] = a[j]; a[j] = tmp;\n }\n return a;\n }\n\n function countVal(val) {\n var k, n = 0;\n for (k in answers) {\n if (answers.hasOwnProperty(k) && answers[k] === val) n++;\n }\n return n;\n }\n\n function buildPips() {\n var cont = gid('pips'), i, q, wLine, wPip, line, pip;\n cont.innerHTML = '';\n for (i = 0; i < QS.length; i++) {\n q = QS[i];\n if (i > 0) {\n wLine = document.createElement('div');\n wLine.className = 'mr-pip-wrap';\n line = document.createElement('div');\n line.className = 'mr-pip-line';\n line.id = NS + '-pl' + q.id;\n wLine.appendChild(line);\n cont.appendChild(wLine);\n }\n wPip = document.createElement('div');\n wPip.className = 'mr-pip-wrap';\n pip = document.createElement('div');\n pip.className = 'mr-pip';\n pip.id = NS + '-pip' + q.id;\n pip.textContent = String(q.id);\n wPip.appendChild(pip);\n cont.appendChild(wPip);\n }\n }\n\n function build() {\n var cont, i, q, opts, card, top, numDiv, meta, tag, stem,\n rule, optsDiv, expDiv, lbl, txt, imgDiv, imgSrc, j,\n optEl, ltrSpan, txtSpan;\n\n cont = gid('cases');\n cont.innerHTML = '';\n answers = {}; answered = 0; shuffled = {}; done = false;\n gid('score').style.display = 'none';\n buildPips();\n\n for (i = 0; i < QS.length; i++) {\n q = QS[i];\n opts = shuffleArr(q.opts);\n shuffled[q.id] = opts;\n\n card = document.createElement('div');\n card.className = 'mr-case';\n\n top = document.createElement('div');\n top.className = 'mr-case-top';\n\n numDiv = document.createElement('div');\n numDiv.className = 'mr-num';\n numDiv.textContent = q.id < 10 ? 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