Specific Clinical Presentations and Disease Problems in Internal Medicine: Describe key illnesses in the elderly, focusing on their often atypical presentation. (eg. Urinary tract infection, pneumonia, tuberculosis, depression, thyroid disease, myocardial infarction).

• Substance abuse (specifically: cocaine and other non-opioid street drugs)
• Lung nodule
• Bleeding disorders (specifically: TTP/HUS, DIC)
• Headache
• Obesity
• Lung cancer
• Unintended weight loss
• Peripheral vascular disease
• Supraventricular tachycardias (other than atrial fibrillation)
• Sleep apnea
• Tuberculosis infection
• Bronchiectasis
• Connective tissue diseases (other than systemic lupus erythematosus and rheumatoid arthritis).
• Spinal cord compression
• Parkinson's disease
• Ventricular arrhythmias (other than ventricular tachycardia)
• Osteoporosis
• Osteoarthritis
• Joint pain
• Sexually transmitted diseases including HIV infection.
• Mononucleosis
• Anaphylaxis/angioedema
• Thyroid nodule
• Valvular heart disease (other than mitral stenosis and regurgitation and aortic stenosis).
• Interstitial lung disease
• Demyelinating disease
• Substance abuse (other than alcohol, opioids, benzodiazepines and cocaine)
• Leukemia (AML, ALL, CML, CLL)
• Renal stones
• Chronic pancreatitis
• Sarcoidosis
• Encephalitis
• Bone marrow failure
• Vasculitis syndromes
• Toxidromes (specifically: tricyclic antidepressants, toxic alcohols, SSRIs).