Harriet Lane Handbook
- Macrophage activation syndrome (MAS)
- Macroscopic (gross) hematuria
- Magnacal Renal formula
- Magnesium disturbances
- Magnetic resonance cholangiopancreatography (MRCP)
- Magnetic resonance enterography (MRE)
- Malabsorption syndrome, vitamin A for
- Malignant hyperthermia, dantrolene for
- Malignant neoplasm, generalized, vaccine information for
- Mallampati classification system
- Mann-Whitney U test
- Manual removal/instrumentation
- Maple syrup urine disease
- Marfan syndrome
- Maroteaux-Lamy syndrome
- Mass
- Mast cell stabilizers
- Mastoiditis
- Maternal medical conditions, teratogens and
- Maximal inspiratory pressure (MIP)
- Maximum expiratory pressure (MEP)
- Mean arterial pressure (MAP)
- Mean corpuscular volume (MCV)
- Meconium aspiration syndrome
- MECP2 mutations
- Medical Orders for Life-Sustaining Treatment (MOLST) forms
- Medium-chain acyl-CoA dehydrogenase (MCAD) deficiency
- Medium-chain triglyceride (MCT) oil, calories of
- Meetings, family
- Melanoma
- Meloxicam, for pediatric rheumatology
- Melphalan
- Membrane disorders, anemia
- Mendelian disorders
- Meningococcal disease, children at high risk of
- Menkes
- Menstrual history, of adolescents
- Mental health disorders, screening tests for
- Mentzer index
- Mercaptopurine (6-MP)
- Messenger RNA vaccines
- Meta-analysis
- Metabolic crisis, management of
- Metabolic function, laboratory studies for
- Metadate CD
- Metal disorders
- Metered-dose inhalers, use of
- Metered-dose spacer, use of
- Methadone
- Methemoglobinemia
- Methicillin-resistant Staphylococcus aureus (MRSA), resistance in
- Methohexital
- Methylmalonic acidemia
- Metolazone (Zaroxolyn)
- Microalbuminuria
- Microarray
- Microlipid, calories of
- Micronutrient deficiencies, malnutrition and
- Micropenis
- Microscopic hematuria
- Microscopic polyangiitis (MPA)
- Microtubule inhibitors
- Mild sedation (anxiolysis)
- Milia
- Miliaria (heat rash)
- Milk
- Milk bank donor human milk, use of
- Milk protein intolerance
- Mineralocorticoid, dosing
- Minoxidil, for hypertension
- Miosis, in toxicology
- Mitochondrial encephalomyopathy, lactic acidosis (MELAS)
- Mitoxantrone (anthracyclines)
- Mixed connective tissue disease, associated antibody in
- Mixing study
- Mobitz type I (Wenckebach) heart block
- Mobitz type II (Wenckebach) heart block
- Moderate sedation
- Modification of diet in renal disease (MDRD)
- Modified Fontan
- Modified Valsalva maneuver, for supraventricular tachycardia
- Molds, voriconazole for
- Molluscum contagiosum
- Molybdenum, recommended intakes
- Mometasone, estimated comparative daily dosages for
- Moniliformis, pyrantel pamoate for
- Monitoring, of chest compressions
- Monoclonal Ab binds CD52
- Monoclonal Ab binds GD-2
- Monoclonal antibodies
- Monocryl, characteristics of
- Monocytes
- Monocytosis, causes of
- Monogen formula
- Mood disorders
- Morbilliform lesions
- Morquio syndrome
- Motor development
- Motor examination
- Mucopolysaccharidoses
- Mucosal emergencies, allergic
- Mucositis
- Multiple gene panels
- Multiple ingestion
- Muscarinic antagonist, long-acting
- Muscle bulk
- Muscle stretch reflexes
- Muscle weakness
- Musculoskeletal system, radiology for
- Mycophenolate
- Mycophenolate sodium (Myfortic)
- Mycoplasma, resistance in
- Mycosis, urinary tract, bladder irrigation for
- Mydriasis, in toxicology
- Myeloablative chemotherapy
- Myeloid-specific cytokine granulocyte colony-stimulating factor (G-CSF)
- Myelophthisic anemia
- Myocardial disease
- Myocarditis
- Myoclonic epilepsy with ragged red fibers (MERRF)
- Myoclonus
- My Wishes
- Myxedema coma, treatment for