Weakness (muscle weakness), differential diagnosis

Clinic A/P, adults, Clinic A/P, Peds, DDx, Hospital A/P, Adults, Hospital A/P, Peds

VINDICATED MEN Vascular (i.e.Cardiovascular) -Stroke Infectious Viral infections Lyme myositis Trichinosis Toxoplasmosis Neoplastic and deconditioning Cachexia Drug-induced or Drug Withdrawal Methamphetamines, Cocaine, heroin Alcohol, corticosteroids Colchicine,...

Hypernatremia, differential diagnosis

DDx

-Unreplaced water loss (which requires an impairment in either thirst or access to water): Insensible and sweat losses; GI losses; Central or nephrogenic diabetes insipidus; Osmotic diuresis; Glucose in uncontrolled DM; Urea in high-protein tube feedings; Mannitol...

Stroke, TIA, and Stroke mimics: Differential diagnosis

DDx

TIA (Transient ischemic attack) Stroke (hemorrhagic vs. ischemic, see the next 4) Ischemic Stroke Subdural hemorrhage /hematoma Intracerebral hemorrhage – can occur rapidly and cause focal neurologic symptoms. Subarachnoid hemorrhage. Seizures and postictal...

SVT: Differential Diagnosis

DDx

Differential diagnosis for Supraventricular Tachycardias Irregularly Irregular Rhythm Atrial Fibrillation Atrial Flutter with variable block Multifocal atrial tachycardias (MAT) Sinus tachycardia with frequent premature atrial complexes (PACs) Ectopic atrial...

Headache, differential diagnosis

DDx

Classification of Headaches Headache red flags. The International Classification of Headache Disorders 3rd edition classifies headaches into primary and secondary headaches. I. Primary Headaches (e.g., tension, migraine, cluster) Primary headaches are headache...

Orthostatic Hypotension: Differential Diagnosis

DDx

Intravascular volume depletion Blood loss Dehydration Pregnancy/postpartum Shock Cardiovascular Anemia Cardiac arrhythmia Congestive heart failure Myocardial infarction Myocarditis Pericarditis Valvular heart disease Venous insufficiency Postprandial hypotension...