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A 34-year-old woman comes to the office to establish care. Her primary concern today is an intense, burning vaginal itch accompanied by a thick, white discharge that began five days ago. She is particularly distressed because this marks her fourth identical presentation in the past ten months. She notes that during each of the three prior occurrences, a clinician at a local urgent care prescribed a single antifungal tablet that provided complete relief within days, only for the symptoms to return a few months later. Her medical history is significant for type 2 diabetes mellitus, and her most recent hemoglobin A1c was 8.4%. On pelvic examination, there is marked erythema and edema of the vulva and vagina, with adherent, curd-like discharge in the vaginal vault. The vaginal pH is 4.2. A wet mount preparation with 10% potassium hydroxide reveals abundant budding yeast and pseudohyphae. Which of the following is the most appropriate pharmacologic management strategy for this patient?

Match each patient's clinical and urodynamic presentation with the most accurate underlying pathophysiologic diagnosis.

A 96-hour-old preterm male neonate (gestational age: 34 weeks, birth weight: 2100 g) is evaluated in the neonatal intensive care unit. He was delivered vaginally following spontaneous labor. Apgar scores were 7 and 9 at 1 and 5 minutes, respectively. Maternal history is notable for prolonged rupture of membranes (22 hours) and an intrapartum fever of $38.5^{\circ}\text{C}$ ($101.3^{\circ}\text{F}$).

At 2 hours of life, the neonate developed tachypnea, nasal flaring, and temperature instability. A complete sepsis workup was performed, and he was empirically started on intravenous ampicillin and gentamicin. He is currently breathing comfortably on room air. Vital signs are temperature $37.1^{\circ}\text{C}$ ($98.8^{\circ}\text{F}$), blood pressure 65/40 mm Hg, heart rate 140/min, and respiratory rate 42/min.

Skin examination reveals a new eruption of scattered, 2- to 3-mm erythematous macules and papules containing central yellow pustules over the chest and abdomen. The remainder of the examination is normal.

Laboratory results obtained at the time of admission are as follows:

The blood culture drawn at admission is now growing *Streptococcus agalactiae* (Group B *Streptococcus*). Antimicrobial susceptibility testing demonstrates that the isolate is susceptible to penicillin G, ampicillin, cefotaxime, and vancomycin. The CSF culture has shown no growth to date.

Which of the following is the most appropriate next step in the pharmacologic management of this patient?

A 34-year-old woman is brought to the outpatient psychiatry clinic by her husband for a follow-up evaluation. He reports that 9 months ago, the patient became increasingly withdrawn, reported feeling profound sadness every day, had significant difficulty sleeping, and lost interest in her usual hobbies. Three months after these initial symptoms began, she started telling her husband that their neighbors were "broadcasting" negative thoughts into her mind and frequently appeared to be responding to unseen voices. She was started on an antidepressant and an antipsychotic medication. Over the past 8 weeks, her mood, energy levels, and sleep have completely returned to normal, and she expresses looking forward to the future. However, she continues to hear the voices daily and insists that the neighbors are still targeting her. She has no history of substance use or medical conditions. Which of the following is the most likely diagnosis?

A 54-year-old man is evaluated on postoperative day 2 following an emergency exploratory laparotomy for a perforated duodenal ulcer. Over the past 6 hours, the nursing staff reports that he has become highly agitated, disoriented, and profusely diaphoretic. He is currently shouting at the staff, claiming that there are "swarms of insects" crawling on the walls and his bedsheets. Medical records show no prior psychiatric history. Upon interview, his wife mentions that he typically drinks a pint of whiskey daily but has not consumed any alcohol since the morning of his admission. His temperature is 38.6°C (101.5°F), blood pressure is 168/104 mm Hg, pulse is 126/min, and respirations are 24/min. Physical examination reveals an oriented to person only, restless patient with a coarse, rhythmic tremor of the outstretched hands. The surgical abdomen is tender but without rebound, and the incision site is clean and intact. Which of the following is the most appropriate next step in management?

A $7$-month-old girl is brought to the emergency department due to progressive lethargy, poor feeding, and rapid breathing over the past $24$ hours. Her parents report that over the last few weeks, she has seemed "floppy" and has lost the ability to sit without support or roll over, both of which she had previously mastered.

Vital signs show a temperature of $37.1^\circ\text{C}$ ($98.8^\circ\text{F}$), heart rate of $160/\text{min}$, respiratory rate of $55/\text{min}$, and blood pressure of $85/50\text{ mm Hg}$. Physical examination reveals a lethargic infant with marked generalized hypotonia and profound head lag when pulled to sit. The lungs are clear to auscultation bilaterally without wheezing or crackles.

Laboratory results are as follows:
- $\text{Sodium}$: $138\text{ mEq/L}$
- $\text{Potassium}$: $4.5\text{ mEq/L}$
- $\text{Chloride}$: $98\text{ mEq/L}$
- $\text{Bicarbonate}$: $12\text{ mEq/L}$
- $\text{Blood urea nitrogen}$: $10\text{ mg/dL}$
- $\text{Creatinine}$: $0.3\text{ mg/dL}$
- $\text{Glucose}$: $78\text{ mg/dL}$
- $\text{Ammonia}$: $40\text{ \mu mol/L}$ (normal: $15-50\text{ \mu mol/L}$)
- $\text{Lactate}$: $9.2\text{ mmol/L}$ (normal: $0.5-2.2\text{ mmol/L}$)

Arterial blood gas analysis on room air reveals:
- $\text{pH}$: $7.25$
- $\text{PaCO}_2$: $30\text{ mm Hg}$
- $\text{PaO}_2$: $95\text{ mm Hg}$

Which of the following conclusions is most accurately supported by this patient's clinical and laboratory evaluation?

Below are four distinct clinical presentations of neonatal dermatologic conditions. Pair each patient vignette with its corresponding diagnostic finding or appropriate management strategy.

A multiparous 62-year-old patient comes to the physician seeking treatment for involuntary urinary leakage that has progressively worsened over the past year. She describes two distinct patterns: losing small amounts of urine during physical exertion (such as lifting groceries) and experiencing a sudden, overwhelming need to void that sometimes results in larger volume leakage before she can reach the toilet. She takes no daily medications. Pelvic examination reveals normal vaginal estrogenization and a positive cough stress test. Assuming the patient's symptoms persist and fail to improve adequately at each successive stage of treatment, arrange the following clinical interventions in the correct sequential order from initial presentation to definitive management.

A 72-year-old man is assessed in the intensive care unit 6 hours after undergoing an open exploratory laparotomy and lysis of adhesions for a small bowel obstruction. The anesthesia records note that he received 4.5 liters of lactated Ringer solution during the operation due to transient hypotension. His past medical history includes chronic obstructive pulmonary disease, hypertension, and a myocardial infarction 3 years ago. He now complains of rapidly worsening shortness of breath. His temperature is 38.1°C (100.6°F), blood pressure is 158/94 mm Hg, pulse is 114/min, and respiratory rate is 26/min. Pulse oximetry shows 88% on room air. Physical examination demonstrates distended jugular veins. Lung auscultation reveals bibasilar crackles and diffuse expiratory wheezing. Cardiac auscultation reveals a rapid, regular rhythm with a distinct third heart sound (S3). The surgical incision is intact without erythema or drainage. Which of the following are the most appropriate next steps in the management of this patient? (Select all that apply)

An evaluation is requested for a 36-year-old female patient presenting with ongoing urinary difficulties. For the past four months, she has experienced sharp pain during micturition, significant discomfort during sexual intercourse, and involuntary fluid leakage. She specifically notes that small amounts of urine continuously dribble from her vagina immediately after she stands up from the toilet. Despite completing two separate courses of empirical oral antibiotics for presumed cystitis over the last half-year, her symptoms have not resolved. A urine culture obtained one week ago demonstrates no bacterial growth. Vital signs are within normal limits. On pelvic examination, the provider palpates a 3-cm, tender, fluctuant mass situated on the anterior vaginal wall. When gentle upward pressure is applied to this structure, a small volume of purulent fluid is expressed from the urethral meatus. Which of the following is the most appropriate next step in the management of this patient?

An unvaccinated 14-month-old female toddler is evaluated in the outpatient clinic in late autumn. She has a medical history of tetralogy of Fallot and 22q11.2 deletion syndrome (DiGeorge syndrome). Her parents report she has been experiencing intense, exhausting bouts of coughing for the past four days. These episodes are often followed by a high-pitched inspiratory sound and occasional vomiting. Two weeks prior, she had mild nasal congestion and a low-grade temperature that seemingly resolved. Her temperature is $37.1^\circ\text{C}$ ($98.8^\circ\text{F}$), heart rate is $145/\text{min}$, and respiratory rate is $42/\text{min}$. On physical examination, the toddler appears fatigued. There are scattered, pinpoint, non-blanching red macules on her face and neck. Lung auscultation is clear between the coughing spasms.

Which of the following is the most appropriate next step in management?

During an initial reproductive endocrinology consultation, a 27-year-old woman seeks evaluation for an inability to conceive over the past 16 months. She previously experienced regular 28-day menstrual cycles, but they became progressively infrequent and completely ceased 8 months ago. Detailed history reveals that over the past year, the patient transitioned to a strict ketogenic diet and began high-intensity training for an ultramarathon, resulting in an intentional 9-kg weight loss. She notes a recent increase in mild facial acne. Her current body mass index is $19.8 \text{ kg/m}^2$. Vital signs are within normal limits. Pelvic ultrasonography reveals a normal-appearing uterus and bilaterally enlarged ovaries, each containing 15 to 20 small, subcapsular follicles measuring 4 to 8 mm.

Laboratory studies show the following:
Follicle-stimulating hormone: 1.8 mIU/mL
Luteinizing hormone: 1.1 mIU/mL
Estradiol: 15 pg/mL
Prolactin: 9 ng/mL
Thyroid-stimulating hormone: 1.6 mU/L
Total testosterone: 25 ng/dL

Her partner's semen analysis is within normal limits. The patient strongly desires immediate pregnancy and strictly declines any modifications to her current diet or exercise regimen. Which of the following is the most appropriate pharmacologic intervention to induce ovulation in this patient?

A concerned mother brings her 11-month-old son to the outpatient clinic in late November. She reports that for the past three days, the infant has experienced severe nasal congestion and a progressively worsening cough. Today, she noticed his breathing appears faster than normal. Vital signs include a temperature of 38.1°C (100.6°F), heart rate of 145/min, respiratory rate of 52/min, and oxygen saturation of 94% on room air. Physical examination reveals an irritable but consolable infant with flaring of the nasal alae and mild intercostal retractions. Lung auscultation demonstrates bilateral expiratory wheezes and scattered coarse crackles. Which of the following interventions are appropriate for the initial management of this patient? (Select all that apply)

During routine morning rounds in the newborn nursery, a physician evaluates a female infant who developed a diffuse skin eruption at 16 hours of life. The infant was delivered via an uncomplicated vaginal birth at 39 weeks of gestation to a 26-year-old primigravida. Birth weight was $3.2\text{ kg}$ ($7.0\text{ lb}$). Apgar scores were 8 and 9 at 1 and 5 minutes, respectively. Vital signs are temperature $36.9^\circ\text{C}$ ($98.4^\circ\text{F}$), heart rate $142/\text{min}$, and respiratory rate $44/\text{min}$. The infant is alert, active, and feeding vigorously at the breast. Physical examination reveals numerous 2- to 3-mm superficial pustules on a non-erythematous base scattered across the chin, neck, and lower back. Several of the pustules have ruptured, leaving a collarette of fine scale and a central hyperpigmented macule. The remainder of the physical examination is unremarkable. Which of the following is the most appropriate next step in management?

A full-term male neonate (gestational age 40 weeks) is evaluated in the nursery at 48 hours of life due to progressive abdominal distension and two episodes of bilious emesis. A review of the nursing logs indicates that the infant has not yet passed meconium. Vital signs are within normal limits. Physical examination reveals a markedly distended abdomen that is soft and non-tender, with hypoactive bowel sounds. A digital rectal examination results in a sudden, explosive release of foul-smelling gas and stool. Arrange the following diagnostic and therapeutic steps in the most appropriate chronological sequence for managing this patient's likely condition.

Match each neonatal clinical presentation with its most likely underlying diagnosis.

A 24-year-old man is diagnosed with schizophrenia after a 9-month history of auditory hallucinations, disorganized speech, and persecutory delusions. He has no significant past medical history and his urine toxicology screen is negative. His psychiatrist is developing a comprehensive pharmacological management plan to address his symptoms. The physician considers the various stages of psychopharmacological treatment, from the initial presentation to the potential development of severe refractoriness. Arrange the following therapeutic steps in the correct sequential order for the standard stepwise management of this patient's illness, starting with the initial intervention.

A 5-year-old boy arrives at the urgent care center with his mother because he has been struggling to breathe since early morning. His medical background is notable for atopic dermatitis and two prior episodes of respiratory distress requiring medical intervention in the past year. Over the preceding 48 hours, he developed severe nasal congestion and a dry, hacking cough. Today, his respiratory effort significantly worsened. His body temperature is 37.3°C (99.1°F), pulse is 125/min, and respirations are 36/min. Oxygen saturation is 92% on ambient air. Physical assessment demonstrates an anxious child in visible distress with prominent intercostal and subcostal retractions. Auscultation of the lungs reveals a prolonged expiratory phase accompanied by high-pitched, widespread expiratory wheezing. Which of the following is the most appropriate initial step in the management of this patient?

A $68$-year-old man is recovering in the surgical ward on postoperative day $1$ following an open abdominal aortic aneurysm repair. His preoperative hemoglobin was $11.2 \text{ g/dL}$, and his postoperative hemoglobin is $7.1 \text{ g/dL}$. A transfusion of packed red blood cells is initiated. Approximately $20$ minutes into the transfusion, the patient complains of sudden-onset chills, severe flank pain, and shortness of breath. His temperature is $38.9^\circ\text{C}$ ($102.0^\circ\text{F}$), blood pressure is $90/60 \text{ mm Hg}$, and heart rate is $115/\text{min}$. A Foley catheter drains dark, reddish-brown urine. Arrange the following management steps in the most appropriate chronological sequence for this patient's acute complication.

Match each gynecologic procedure or intraoperative surgical step to its most classically associated complication or risk.