Submitted:
12 July 2026
Posted:
17 July 2026
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Abstract
Background: General medicine departments frequently encounter patients presenting with overlapping infectious, metabolic, cardiovascular, renal, respiratory, and autoimmune disorders. Such patients often require multidisciplinary management and individualized treatment strategies.Objective: To describe the clinical characteristics, investigations, management approaches, and outcomes of a series of complex medical cases admitted to a secondary care hospital in Southern India.Methods: A retrospective observational case series was conducted using hospital records of nine patients admitted between May 2026 and June 2026 under the Department of General Medicine. Data regarding demographics, presenting symptoms, comorbidities, diagnostic investigations, therapeutic interventions, multidisciplinary involvement, and clinical outcomes were extracted and analyzed descriptively.Results: The case series included severe bronchopneumonia with respiratory failure (n=2), methotrexate-induced pancytopenia with diabetic ketoacidosis (n=1), viral fever with inflammatory polyarthritis (n=1), dengue fever with thrombocytopenia and hepatic dysfunction (n=1), infective myocarditis (n=1), acute kidney injury with urinary retention (n=1), obstructive uropathy secondary to bladder carcinoma (n=1), urosepsis (n=1), and necrotizing fasciitis with sepsis (n=1). Diabetes mellitus was the most frequent comorbidity. Intensive care support was required in five patients. Multidisciplinary care resulted in favorable outcomes in eight patients, while one patient required continued specialist follow-up for malignancy-related disease.Conclusion: This case series highlights the broad clinical spectrum encountered in general medicine practice and emphasizes the importance of early diagnosis, multidisciplinary collaboration, and individualized management in improving outcomes in complex medical patients.
Keywords:
case series
; general medicine
; sepsis
; bronchopneumonia
; dengue fever
; necrotizing fasciitis
; acute kidney injury
; urosepsis
; multidisciplinary care
; CARE guidelines
Introduction
Modern internal medicine practice frequently involves management of patients with multiple comorbidities and simultaneous involvement of several organ systems. The coexistence of diabetes mellitus, hypertension, chronic kidney disease, autoimmune diseases, and infectious conditions increases morbidity and complicates therapeutic decision-making.
Case series continue to provide valuable insights into disease patterns, management strategies, and outcomes in real-world clinical settings. The present CARE-compliant case series describes nine clinically challenging cases admitted to a secondary care hospital in Southern India and highlights the role of multidisciplinary management in improving patient outcomes.
Methods
Study Design
Retrospective descriptive case series.
Study Setting
Department of General Medicine, secondary care multispecialty hospital, Southern India.
Study Period
May 2026 to June 2026.
Inclusion Criteria
Patients admitted under General Medicine with:
- * Multisystem involvement,
- * Requirement for multidisciplinary consultation,
- * ICU admission, or
- * Complex medical management.
Data Collection
Clinical data were extracted from discharge summaries and hospital records including:
- * Demographic details
- * Presenting symptoms
- * Comorbid illnesses
- * Laboratory investigations
- * Imaging findings
- * Treatment administered
- * Clinical outcomes
Ethical Considerations
Patient identifiers were removed to preserve confidentiality. As this was a retrospective anonymized review of routinely collected clinical data, formal ethical approval was not required according to institutional policy.
CARE-Compliant Case Presentations
Case 1: Severe Bronchopneumonia with Acute Respiratory Failure
Patient Information
A 51-year-old female with type 2 diabetes mellitus and bronchial asthma.
Clinical Findings
High-grade fever, productive cough, chest pain, hypoxemia, and septic shock.
Diagnostic Assessment
- * Leukocytosis
- * Elevated CRP and ESR
- * Bilateral basal consolidation on chest radiograph
- * CT thorax demonstrating bilateral bronchopneumonia
Therapeutic Intervention
- * ICU admission
- * NIV BiPAP support
- * Broad-spectrum antibiotics
- * Bronchodilators
- * Corticosteroids
- * Chest physiotherapy
Follow-up and Outcome
The patient improved clinically and was discharged with home oxygen support and pulmonary rehabilitation advice.
Case 2: Methotrexate-Induced Pancytopenia with Diabetic Ketoacidosis
Patient Information
A 68-year-old female with rheumatoid arthritis receiving methotrexate therapy.
Clinical Findings
Fever, odynophagia, dysphagia, anorexia, and productive cough.
Diagnostic Assessment
- * Pancytopenia
- * Severe leukopenia
- * Thrombocytopenia
- * Bilateral bronchopneumonia
- * Diabetic ketoacidosis
Therapeutic Intervention
- * Leucovorin rescue therapy
- * Filgrastim administration
- * Intravenous hydration
- * Insulin infusion
- * Discontinuation of methotrexate
Outcome
Progressive recovery of haematological parameters with successful discharge.
Case 3: Viral Fever with Polyarthritis
Patient Information
A 42-year-old female without significant comorbidities.
Clinical Findings
Bilateral ankle pain, difficulty walking, generalized weakness, and low-grade fever.
Diagnostic Assessment
- * Elevated rheumatoid factor
- * Negative anti-CCP antibodies
- * Negative infectious workup
Therapeutic Intervention
- * Symptomatic treatment
- * Hydroxychloroquine
- * Supportive care
Outcome
Complete symptomatic improvement.
Case 4: Dengue Fever with Hepatic Dysfunction
Patient Information
A 29-year-old female.
Clinical Findings
High-grade fever, body ache, headache, and generalized weakness.
Diagnostic Assessment
- * Dengue NS1 positivity
- * Thrombocytopenia
- * Elevated liver enzymes
- * Hepatomegaly and mild splenomegaly
Therapeutic Intervention
- * Intravenous fluids
- * Antipyretics
- * Supportive treatment
- * Serial platelet monitoring
Outcome
Platelet count normalized without haemorrhagic complications.
Case 5: Suspected Infective Myocarditis
Patient Information
A 29-year-old female.
Clinical Findings
Fever, bradycardia, vomiting, and generalized weakness.
Diagnostic Assessment
- * Dengue IgG positivity
- * Preserved left ventricular function
- * Holter monitoring performed
Therapeutic Intervention
- * Intravenous fluids
- * Antibiotics
- * Cardiology consultation
Outcome
Clinical recovery with outpatient follow-up.
Case 6: Acute Kidney Injury with Urinary Retention
Patient Information
A 77-year-old male with diabetes mellitus, hypertension, and ischemic heart disease.
#### Clinical Findings
Haematuria, weakness, and urinary retention.
Diagnostic Assessment
- * Acute kidney injury
- * Coagulopathy
- * Hypokalemia
- * Prostatomegaly
- * Klebsiella oxytoca isolated from catheter culture
Therapeutic Intervention
- * Intravenous antibiotics
- * Electrolyte correction
- * Foley catheterization
- * Nephrology and urology consultation
Outcome
Improvement in renal parameters with discharge on catheter care advice.
Case 7: Bladder Carcinoma with Obstructive Uropathy
#### Patient Information
A 75-year-old female.
Clinical Findings
Abdominal pain, urinary retention, and gross haematuria.
Diagnostic Assessment
- * Invasive bladder lesion
- * Bilateral hydroureteronephrosis
- * Obstructive nephropathy
Therapeutic Intervention
- * Blood transfusion
- * Supportive care
- * Urology consultation
Outcome
Discharged with advice for definitive urological intervention.
Case 8: Urosepsis in an Elderly Male
Patient Information
A 76-year-old male.
Clinical Findings
Weakness, anorexia, and dysuria.
Diagnostic Assessment
- * Pyuria
- * Microscopic haematuria
- * Prostatomegaly
- * Elevated inflammatory markers
#### Therapeutic Intervention
- * Intravenous antibiotics
- * Supportive care
#### Outcome
Complete clinical recovery.
Case 9: Necrotizing Fasciitis with Sepsis
Patient Information
A 63-year-old male with diabetes mellitus and hypertension.
Clinical Findings
Painful foot ulcer, fever, cough, and hyperglycaemia.
Diagnostic Assessment
- * HbA1c 9.2%
- * Leukocytosis
- * Elevated inflammatory markers
- * Necrotizing fasciitis on imaging
- * Wound cultures positive for Klebsiella pneumoniae and coagulase-positive Staphylococcus
Therapeutic Intervention
- * ICU admission
- * Broad-spectrum antibiotics
- * Multiple debridements
- * Vacuum-assisted wound closure
- * Glycemic optimization
Outcome
Clinical stabilization and discharge with wound care follow-up.
Table 1.
Demographic Characteristics.
| Variable | Value |
| Number of patients | 9 |
| Mean age | 56.8 years |
| Female patients | 6 |
| Male patients | 3 |
| ICU admissions | 5 |
| Diabetes mellitus | 5 |
| Hypertension | 5 |
| Multidisciplinary consultations | 9 |
Table 2.
Clinical Spectrum of Cases.
| Case | Primary Diagnosis | ICU Admission | Outcome |
| 1 | Bronchopneumonia with respiratory failure | Yes | Improved |
| 2 | MTX-induced pancytopenia | Yes | Improved |
| 3 | Viral fever with polyarthritis | No | Improved |
| 4 | Dengue with hepatic dysfunction | No | Improved |
| 5 | Infective myocarditis | No | Improved |
| 6 | AKI with urinary retention | Yes | Improved |
| 7 | Bladder carcinoma with obstructive uropathy | Yes | Stabilized |
| 8 | Urosepsis | No | Improved |
| 9 | Necrotizing fasciitis with sepsis | Yes | Improved |
Discussion
The present case series illustrates several important observations. First, diabetes mellitus was strongly associated with severe infections, poor wound healing, and intensive care requirement. Second, prompt multidisciplinary intervention involving pulmonology, nephrology, urology, cardiology, plastic surgery, and critical care specialists contributed significantly to improved outcomes.
Drug toxicity remains an important cause of morbidity in elderly patients with autoimmune disease, as demonstrated by methotrexate-associated pancytopenia. Likewise, emerging infectious diseases such as dengue continue to produce atypical manifestations including myocarditis and hepatic dysfunction.
The findings reinforce the need for integrated care pathways in general medicine practice.
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## Limitations
- * Single-center experience.
- * Small sample size.
- * Retrospective design.
- * Limited long-term follow-up information.
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## Conclusion
General medicine physicians frequently manage patients with complex multisystem diseases requiring rapid diagnosis and coordinated multidisciplinary care. Early intervention, aggressive supportive therapy, and specialist collaboration are essential determinants of successful outcomes.
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## CARE Checklist Compliance
| CARE Item | Included |
| Patient information | Yes |
| Clinical findings | Yes |
| Timeline | Yes |
| Diagnostic assessment | Yes |
| Therapeutic intervention | Yes |
| Follow-up and outcomes | Yes |
| Discussion | Yes |
| Patient perspective | Not available |
| Informed consent | Waived due to anonymized retrospective review |
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