Coronaviridae, one of the families of viruses which are known to cause diseases in mammals and birds ranging from the common cold to Severe Acute Respiratory Syndrome. A new species which belongs to this family emerged recently causing an outbreak of a respiratory disease in the eastern part of Asia….
Category: PGMEE, MRCS, USMLE, MBBS, MD/MS
Medical knowledge in bullet points with understandable language, simplified images and graspable mnemonics.
PGMEE, MRCS, USMLE, MBBS, MD/MS
Skeletal Traction – Pin Insertion Sites
Site Point of insertion Direction Indications Olecranon (K-wire) 1.25 inches (3 cm) distal to olecranon tip – deep to subcutaneous border of upper ulna (avoids ulnar joint and open epiphysis) Medial to Lateral – At right angles to longitudinal axis of ulna (Avoids ulnar nerve) Supracondylar or Distal humerus fractures…
PGMEE, MRCS, USMLE, MBBS, MD/MS
Heart Sounds – Murmurs
Murmur is a low, indistinct sound. In terms of medicine, it is the sound produced due to turbulent flow within the heart and great vessels. They are described and named in relation to the normal heart sounds, location, and quality. Please go through these articles before reading further: Heart Sounds…
PGMEE, MRCS, USMLE, MBBS, MD/MS
Appendix, Appendicitis and Appendicectomy
Inflammation of the Appendix is one of the most common causes of Pain Abdomen presenting in the Emergency Room. Since its first description in the texts, there has been a lot of improvement in the quality of management due to the availability of resources and technology. Appendix, in the initial…
PGMEE, MRCS, USMLE, MBBS, MD/MS
Shoulder Muscles Anatomy – Simplified
Proximal humerus Insertion of Rotato Cuffs Mnemonic: SIT-S a. Greater tubercle: Supraspinatus, Infraspinatus, Teres minor b. Lesser tubercle: Subscapularis Attachment of Other muscles Anteriorly and posteriorly the muscles attach on each side of the depressions (groove and sulcus). a. Anteriorly: Insertion of 3 muscles Mnemonic: Lady between 2 Majors Crest…
PGMEE, MRCS, USMLE, MBBS, MD/MS
Appearance and Fusion of Ossification Centers
Upper end of humerus Mnemonic: HGL – 1,3,5 a. Head – by 1 year b. Greater tuberosity – by 3 years c. Lesser tuberosity – by 5 years All 3 centers fuse together by 6 years (1 year after the last center appears) Upper end of femur Mnemonic: HGL –…
PGMEE, MRCS, USMLE, MBBS, MD/MS
Bruner’s Ten Rules of Pneumatic Tourniquet Use
APPLICATION: Apply only to a healthy limb or with caution to an unhealthy limb SIZE OF TOURNIQUET: Arm, 10 cm; leg, 15 cm or wider in large legs SITE OF APPLICATION: Upper arm; mid/upper thigh ideally PADDING: At least two layers of orthopaedic felt SKIN PREPARATION: Occlude to prevent soaking…
PGMEE, MRCS, USMLE, MBBS, MD/MS
Mnemonic Approach to Elbow Xray – FOOL
Mnemonic: FOOLa. Fat padsb. Overt findings and outlinesc. Ossification centersd. Lines Fat pads The elbow joint has anterior and posterior fat pads which are extra-synovial but within the articular capsule. These are present as a radiolucent (black) line (compared to bone and surrounding soft tissues) in lateral X-rays. Normal finding:…