Ra

• RA - InDepth
  (In-Depth)
• RACAB
  (Surgery)
• RACAB - discharge
  (Discharge)
• Radiofrequency catheter ablation
  (Surgery)
• Radiofrequency vein ablation
  (Surgery)
• Radiography
  (Medical Test)
• Radionuclide renal perfusion scan
  (Medical Test)
• Radionuclide ventriculography (RNV)
  (Medical Test)
• Random plasma renin
  (Medical Test)
• Rapid heart rate - PSVT
  (Condition)
• Rapid heartbeat - WPW
  (Condition)
• Rapid shallow breathing
  (Symptoms)
• Raynaud disease
  (Condition)
• Raynaud phenomenon
  (Condition)
• Raynaud's disease
  (Condition)
• Raynaud's phenomenon
  (Condition)
• Raynaud's phenomenon - scleroderma - InDepth
  (In-Depth)

Rb

• RBC count
  (Medical Test)
• RBC nuclear scan
  (Medical Test)

Re

• Reactive seizures
  (Symptoms)
• Recognizing medical emergencies
  (Special Topic)
• Recovering after stroke
  (Special Topic)
• Recovery from stroke
  (Special Topic)
• Rectal bleeding - hemorrhoids
  (Condition)
• Rectal bleeding - sigmoidoscopy
  (Medical Test)
• Rectal cancer
  (Condition)
• Rectal lump
  (Condition)
• Rectal sigmoidoscopy
  (Medical Test)
• Recurrent leg pain and cramping
  (Condition)
• Recurrent leg pain and cramping - InDepth
  (In-Depth)
• Red birthmarks
  (Condition)
• Red blood cell count
  (Medical Test)
• Regadenoson stress test
  (Medical Test)
• Regional flaps - self-care
  (Self-Care)
• Rehabilitation
  (Special Topic)
• Renal angiogram
  (Medical Test)
• Renal angiography
  (Medical Test)
• Renal arteriography
  (Medical Test)
• Renal artery embolism
  (Condition)
• Renal artery occlusion
  (Condition)
• Renal artery stenosis
  (Condition)
• Renal artery stenosis - arteriography
  (Medical Test)
• Renal calculi - calcium in your urine
  (Medical Test)
• Renal disease - atheroembolic
  (Condition)
• Renal disease - BUN
  (Medical Test)
• Renal failure - BUN
  (Medical Test)
• Renal failure - end stage
  (Condition)
• Renal function - creatinine
  (Medical Test)
• Renal function - creatinine clearance
  (Medical Test)
• Renal hypertension
  (Condition)
• Renal insufficiency - BUN
  (Medical Test)
• Renal perfusion scintigraphy
  (Medical Test)
• Renal perfusion scintiscan
  (Medical Test)
• Renal scan
  (Medical Test)
• Renal vein thrombosis
  (Condition)
• Renal vein thrombosis - venogram
  (Medical Test)
• Renal venogram
  (Medical Test)
• Rendu-Osler-Weber syndrome
  (Condition)
• Renin blood test
  (Medical Test)
• Renogram
  (Medical Test)
• Renovascular hypertension
  (Condition)
• Repair - aortic aneurysm - endovascular
  (Surgery)
• Repair - aortic aneurysm - endovascular - discharge
  (Discharge)
• Repair - aortic aneurysm - open
  (Surgery)
• Repair - aortic aneurysm - open - discharge
  (Discharge)
• Repair - aortic valve - discharge
  (Discharge)
• Repair - aortic valve - discharge
  (In-Depth Animation)
• Reperfusion therapy
  (Special Topic)
• Replacement - aortic valve
  (Surgery)
• Replacement - aortic valve - discharge
  (Discharge)
• Replacement - aortic valve - discharge
  (In-Depth Animation)
• Rescue breathing and chest compressions - adult
  (Injury)
• Rescue breathing and chest compressions - child
  (Injury)
• Rescue breathing and chest compressions - child 9 years and older
  (Injury)
• Rescue breathing and chest compressions - infant
  (Injury)
• Resources - heart disease
  (Special Topic)
• Respirator - health care agent
  (Special Topic)
• Respirator - treatments that prolong life
  (Special Topic)
• Respiratory failure - ABG
  (Medical Test)
• Respiratory inductance plethysmography
  (Medical Test)
• Respiratory rate - rapid and shallow
  (Symptoms)
• Restrictive cardiomyopathy
  (Condition)
• Resuscitation - cardiopulmonary - adult
  (Injury)
• Resuscitation - cardiopulmonary - child
  (Injury)
• Resuscitation - cardiopulmonary - child 9 years and older
  (Injury)
• Resuscitation - cardiopulmonary - infant
  (Injury)
• Reteplase
  (Special Topic)
• Retinal artery occlusion
  (Condition)
• Retinal photography
  (Medical Test)
• Retinal vein occlusion
  (Condition)
• Retinopathy - fluorescein
  (Medical Test)

Rh

• Rhabdomyolysis - myoglobin blood test
  (Medical Test)
• Rhabdomyolysis - myoglobin urine test
  (Medical Test)
• Rheumatic aortic stenosis
  (Condition)
• Rheumatic fever
  (Condition)
• Rheumatic fever - aortic stenosis
  (Condition)
• Rheumatoid arthritis - InDepth
  (In-Depth)
• Rheumatoid arthritis - Raynaud
  (Condition)
• Rheumatoid factor (RF)
  (Medical Test)

Ri

• Right aortic arch with aberrant subclavian and left ligamentum
  (Condition)
• Right aortic arch with aberrant subclavian and left ligamentum arteriosus
  (Condition)
• Right aortic arch with aberrant subclavian and left ligamentum ateriosus
  (Condition)
• Right heart catheterization
  (Medical Test)
• Right heart ventricular angiography
  (Medical Test)
• Right heart ventriculography
  (Medical Test)
• Right ventricular assist device
  (Surgery)
• Right-sided heart failure
  (Condition)
• Right-sided heart failure - cor pulmonale
  (Condition)
• Right-sided heart failure - cor pulmonale - InDepth
  (In-Depth)
• Right-to-left cardiac shunt
  (Condition)
• Right-to-left circulatory shunt
  (Condition)
• Rigid sigmoidoscopy
  (Medical Test)
• Ring annuloplasty - discharge
  (Discharge)
• Ring annuloplasty - discharge
  (In-Depth Animation)
• Risks of tobacco
  (Special Topic)
• Risky drinking
  (Self-Care)
• Risky drinking - cutting back
  (Self-Care)

Ro

• Robot assisted coronary artery bypass
  (Surgery)
• Robot assisted coronary artery bypass - discharge
  (Discharge)
• Robot-assisted coronary artery bypass
  (Surgery)
• Robot-assisted surgery
  (Surgery)
• Robotic surgery
  (Surgery)
• Robotic-assisted laparoscopic surgery
  (Surgery)
• Robotically-assisted aortic valve replacement
  (Surgery)
• Robotically-assisted aortic valve replacement, Trancatheter aortic valve replacement, TAVR.
  (Surgery)
• Robotically-assisted endoscopic aortic valve repair - discharge
  (Discharge)
• Robotically-assisted endoscopic aortic valve repair - discharge
  (In-Depth Animation)
• Robotically-assisted endoscopic aortic valve replacement
  (Surgery)
• Robotically-assisted endoscopic mitral valve repair - discharge
  (Discharge)
• Robotically-assisted endoscopic mitral valve repair - discharge
  (In-Depth Animation)
• Robotically-assisted endoscopic valve repair
  (Surgery)
• Robotically-assisted, endoscopic valve repair, Percutaneous mitral valvuloplasty
  (Surgery)
• Rosuvastatin (Crestor)
  (Special Topic)
• Rosuvastatin (Crestor®)
  (Special Topic)
• Roughage
  (Nutrition)
• Routine eye examination
  (Medical Test)
• Routine urine test
  (Medical Test)
• Roux-en-Y gastric bypass
  (Surgery)

Rv

• RVAD
  (Surgery)