Antitubercular drug symbols H = Isoniazid R = Rifampicin Z = Pyrazinamide E = Ethambutol S = Streptomycin Km = Kanamycin Cm = Capreomycin Lfx = Levofloxacin Ofx = Ofloxacin Mfx = Moxifloxacin Eto = Ethionamide PAS = Para-aminosalicylic acid Cs = Cycloserine Amx/Clv = Amoxicillin-Clavulanate Bdq = Bedaquiline Lzd…
Tag: Internal medicine
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Ball-on-Tee, Lobster Claw and Signet Ring Sign – Renal papillary necrosis
Synonym: Necrotizing papillitis In renal papillary necrosis, part or all of necrotic renal papilla sloughs and may fall into the pelvicalyceal system, which may remain there (and get calcified) or may be voided down the ureter (often causing obstruction). The renal medulla and papillae are vulnerable to ischemic necrosis because…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Multiple Sclerosis Mnemonic
Multiple sclerosis is an autoimmune disease of white matter that occurs due to interaction of genetic factors with unknown environmental factors. It is characterized by the pathological triad of inflammation, demyelination and gliosis. It is diagnosed using McDonald’s criteria. My mnemonic for clinical features and treatment of multiple sclerosis is:…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
M-spike
Synonyms:Â Monoclonal spike, M-protein spike, Monoclonal band, Monoclonal gammopathy Tests showing M-spike Serum Protein Electrophoresis (SPEP) Urine Protein Electrophoresis (UPEP) Normal SPEP or UPEP Electrophoresis is a method of separating proteins based on their physical properties. Albumin – the largest peak, lies closest to the positive electrode and the next five…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Terminologies of Hypertension
There are various terminologies used to describe hypertension which may overlap and are a source of confusion to the medical students and health professionals. Essential or Primary or Idiopathic hypertension Hypertension in which secondary causes have been excluded. Identifiable etiologic factors of essential hypertension: Obesity Insulin resistance High alcohol intake…
Clinical Skills and Approaches 
Eschar
Synonyms Tache noire Definition of Eschar An eschar is a local skin lesions coated by a thick coagulated crust or slough that usually results from burn or infection. Causes of Eschar Tick bite fever Scrub typhus Anthrax Tularaemia Spider bites Disseminated fungal infection Post-burn Diagnostic Clues Cigarette-burn Sign In scrub…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Abnormalities of First and Second Heart Sound
In the chapter of cardiac cycle, we have discussed the mechanism of production of heart sounds and their physiologic splitting. First Heart Sound (S1) Mechanism Closure of atrioventricular valves. It is best appreciated in mitral and tricuspid area of chest for respective components. Loud S1 Slamming a door from a…
Emergency Medicine 
Early vs Delayed Norepinephrine Use in Septic Shock
Norepinephrine has numerous effects in sepsis including veno-constriction (increasing preload), arterial constriction (increasing systemic vascular resistance), positive inotropy, improved cardiac output, and improved renal perfusion. This addresses all the major derangements observed in cases of septic shock. It is important to realize that MAP doesn’t necessarily equate perfusion. Increasing the…