Washington Manual of Medical Therapeutics
- C3 glomerulonephritis (C3GN)
- Cabergoline
- Cachexia
- Calcification, pancreas
- Calcinosis
- Calciphylaxis
- Calcitonin
- Calcitriol
- Calcium-based stones
- Calcium gluconate
- Calcium pyrophosphate dihydrate deposition (CPPD) disease
- Campylobacter jejuni
- Canagliflozin [table]
- Candida
- Candida esophagitis
- Candiduria
- Caplacizumab
- Capsule endoscopy
- Carbamazepine
- Carbohydrate
- Carbon-labeled urea breath testing
- Carbon monoxide (CO)
- Cardiac biomarkers
- Cardiac evaluation algorithm for noncardiac surgery [figure]
- Cardiac involvement, diffuse scleroderma
- Cardiac resynchronization therapy (CRT)
- Cardiac rhythms
- Cardiac tamponade
- Cardiac transplantation
- Cardioembolic stroke
- Cardiogenic pulmonary edema (CPE)
- CardioMEMS
- Cardiopulmonary exercise testing
- Cardiopulmonary resuscitation (CPR)
- Cardiovascular effects, hypothermia
- Carotid Doppler studies, stroke
- Carotid sinus massage [table]
- Carpal tunnel syndrome
- Carvedilol CR [table]
- Caspofungin
- Caspofungin acetate
- Cat bites
- Catheter-associated urinary tract infection (CAUTI)
- Cation exchange resins
- Cat scratch disease
- Cauda equina syndrome
- Cecostomy
- Cefaclor
- Cefadroxil
- Cefdinir
- Cefditoren pivoxil
- Cefiderocol
- Cefixime
- Cefotetan
- Cefpodoxime proxetil
- Cefprozil
- Ceftazidime-avibactam
- Ceftibuten
- Ceftolozane-tazobactam
- Cefuroxime
- Celiac plexus block
- Cellulitis
- Central cord syndrome
- Central diabetes insipidus (CDI)
- Central herniation
- Central sleep apnea
- Cerebral catheter angiography, stroke
- Cerebral edema
- Cerebral venous sinus thrombosis (CVST)
- Cerebrovascular disease
- Cervical cancer
- Cervical neoplasia
- Cervicitis
- CF-related diabetes mellitus (CFRD)
- CF-related liver disease (CFLD)
- Charcot triad of fever
- Checkpoint inhibitors, adrenal failure
- Chelation therapy
- Chemical buffering
- Chemical esophagitis
- Chemotherapy-induced nausea and vomiting (CINV)
- Chest pain
- Chikungunya
- Chilblains
- Child-Turcotte-Pugh (CTP)
- Chimeric antigen receptor T cells (CAR-Ts)
- Chlamydia [table]
- Chloride-responsive metabolic alkalosis
- Chloride-unresponsive metabolic alkalosis
- Chloroquine
- Chlorthalidone [table]
- Cholangitis
- Choledocholithiasis
- Cholelithiasis
- Cholesterol esters
- Cholinesterase inhibitors
- Chromium [table]
- Chromosomal abnormalities [table]
- Chronic abdominal pain exocrine insufficiency
- Chronic alcohol abuse
- Chronic allograft dysfunction
- Chronic bacterial prostatitis
- Chronic gouty arthritis
- Chronic granulomatous disease (CGD)
- Chronic hemodialysis
- Chronic hypernatremia
- Chronic hyperphosphatemia
- Chronic hyponatremia
- Chronic hypophosphatemia
- Chronic intestinal pseudo-obstruction
- Chronic mesenteric ischemia
- Chronic mitral regurgitation
- Chronic myeloid leukemia (CML)
- Chronic pancreatitis
- Chronic polyarthritis
- Chronic prostatitis
- Chronic Q fever
- Chronic respiratory alkalosis
- Chronic rhinosinusitis
- Chronic sinusitis
- Chronic thromboembolic pulmonary hypertension (CTEPH)
- Chronic urticaria
- Chronic viral hepatitis
- Chronotropic incompetence
- Chvostek sign
- Chylothorax
- Cinacalcet
- Cirrhosis
- Clevidipine
- Closed thoracic lavage, hypothermia
- Clostridioides difficile infection (CDI)
- Clostridium tetani
- Cluster headache
- CMV esophagitis
- CMV infection, graft rejection
- CMV retinitis
- CMV superinfection
- Coagulation abnormalities
- Coagulation cascade
- Coagulopathy
- Coals workers' pneumoconiosis (CWP)
- Cobalamin [table]
- Cocaine
- Coccidioidomycosis
- Cogwheel rigidity
- Cold autoimmune hemolytic anemia (AIHA)
- Cold-induced illness
- Colistimethate sodium
- Colistin
- Colonoscopic decompression
- Colorectal cancer
- Coma
- Common variable immune deficiency (CVID)
- Community-acquired pneumonia
- Complement deficiencies
- Complement fixation (CF) test
- Complete cord syndrome
- Complicated cystitis
- Complicated severe malaria
- Comprehensive diabetes management
- Conduction system of heart
- Congenital syphilis
- Constrictive pericarditis
- Contact precautions
- Continuous ambulatory peritoneal dialysis (CAPD)
- Continuous cycling peritoneal dialysis (CCPD)
- Continuous feeding
- Continuous glucose monitoring (CGM)
- Continuous positive airway pressure (CPAP)
- Continuous renal replacement therapy (CRRT)
- Continuous venovenous hemodiafiltration (CVVHDF)
- Continuous venovenous hemodialysis (CVVHD)
- Contraction alkalosis
- Contrast-enhanced computed tomography
- Contrast-induced nephropathy (CIN)
- Contrast nephropathy
- Conus medullaris syndrome
- Convection
- Cooling measures, heat stroke
- Copper [table]
- Corneal microdeposits
- Coronary and peripheral vascular disease
- Coronary angiography
- Coronary Artery Revascularization Prophylaxis (CARP) trial
- Coronary care unit (CCU)
- Coronary computed tomography angiography
- Coronary reperfusion [figure]
- Coronary revascularization
- Coronavirus disease 2019 (COVID-19)
- Correction factor
- Cortisol
- COVID-19-associated pulmonary aspergillosis (CAPA)
- COX-2 inhibitors
- Coxiella burnetti
- Creatine kinase
- Creatine kinase (CK)-MB
- CREST syndrome
- Cricothyrotomy
- Critical illness myopathy
- Crizanlizumab
- Crohn disease (CD)
- Crossmatch tests
- Cryobiopsy
- Cryptococcosis
- Crystalline arthritis
- Crystalloids, heat stroke
- Cushing disease
- Cushing syndrome
- Cutaneous anthrax
- Cyanide
- CyBorD
- Cyclic adenosine monophosphate (cAMP)
- Cyclic lipopeptide
- Cyclic vomiting syndrome (CVS)
- Cyclospora
- CYP enzyme system
- Cystic lung disease
- Cystine stones
- Cystoisospora
- Cytokine release syndrome (CRS)
- Cytology, cancer