Internal Medicine Videos & books

2023-08-23 08:42:01 Correct Answer - C
Answer: C - Defect in thick ascending limb of loop of henle
Autosomal recessive disorder.
Genetic defect in the thick ascending limb of the loop of henle Defects in Na-K-2C/ coLtransporter, K or Cl channels result in lack of concentrating ability

@medicinevideoss Open / Comment

2023-08-10 11:16:01 Correct Answer - A
The answer is A (Ascending Aorta)
Aortic aneurysms in Marfan's syndrome occur most frequently in the ascending aorta.

Cardiovascular lesions in Marfan's syndrome
Cardiovascular lesions are the most life-threatening features of
Marfan's syndrome.

Mitral valve prolapse(MVP)
Loss of connective tissue support in mitral valves leaflets makes
them soft and blowy creating the so-called 'floppy valve'.
Mitral regurgitation frequently results.

Dilatation of Ascending Aortae
The media undergoes cystic necrosis (cystic medionecrosis).
Loss of medial support results in progressive dilatation of aortic
valve ring and root of the aorta
Severe aortic incompetence Aortic dissections

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2023-08-08 08:32:01 Correct ans. C

Answer is c. In cardiology, Erbs point refer to 3rd intercostal space on left sternal border.

Both components S2 sound (A2 and P2 ) well transmitted to the Erbs point .

The physiological splitting of A2 and P2 best heard at Erbs point.Physiologicla splitting bcs Aortic valve close first then pulmonary valve closes.
Normal physiological splitting s2 is 30msec.best heard during inspiration.

Site for auscultation aortic valve closure(ie A2 component of S2)
-right 2nd ics just adjacent to sternum

Site for auscultation pulmonary valve closes (ie P2 components of s2)
- left 2ics just adjacent to sternal border

Site for auscultation Tricuspid valve closure - left lower sternal border (Tricuspid area)

Site for auscultation mitral valve close -Left 5th ics medial to midclavicular line(Mitral area)

Erbs point - left 3 ics adjacent to sternal border

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2023-08-02 21:04:01 Correct Answer - C

The answer is C (Nasal polyp):
`Aspirin associated Asthma usually begins with perennial vasomotor
rhinitis that is followed by hyperplastic rhinosinusitis with nasal polyps' — Harrisons
Aspirin associated Asthma:

Primarily affects adults, although the condition may occur in
childhood.

Usually begins with perennial vasomotor rhinitis that is followed by hyperplastic rhinosinusitis with nasal polyps.

Progressive asthma then appears.
On exposure to even very small quantities of aspirin, affected
individuals typically develop ocular and nasal congestion and acute,
often severe episodes of airways obstruction.

Death may follow ingestion of aspirin.

@/medicinevideoss Open / Comment

2023-07-18 06:53:06 answer : hyperkalemia Open / Comment

2023-07-16 20:47:38 37 year old male after resuscitation from cardiac arrest

Ecg attached
what is ur Ddx & Rx? Open / Comment

2023-07-13 23:17:01 Correct Answer - A
Answer is A (Intrinsic factor deficiency)

Shilling's test is typically done to determine the cause of cobalamine malabsorption (Vitamin B12 malabsorption) Vitamin B12 absorption (Schilling) test is typically used to diagnose conditions in which intrinsic factor (IF) may be absent, such as pernicious anemia or gastric atrophy. A diagnosis of Intrinsic factor deficiency can be established if radiolabelled cobalamine (Vitamin B12) appears in urine after administration of Intrinsic factor.

Since cobalamine absorption requires multiple steps including
gastric, pancreatic and ileal processes, the Schilling test can also be used to assess the integrity of these other organs.

Dietary vitamin B 12 is bound in the stomach to an endogenous
protein called R protein. Pancreatic enzymes degrade the R protein
in the proximal small bowel and lower its affinity for vitamin B12
resulting in the rapid transfer of B 12 to IF; The IF-B12 Complex continues to the terminal ileum, where it binds to specific receptors
on the surface of the epithelial cells.

Thus lack of intrinsic factor, lack of sufficient pancreatic enzymes
(pancreatic exocrine dysfunction) or presence of terminal heal mucosal disease may all result in abnormal vitamin B12 excretion

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2022-05-21 11:18:46 #NEETPG2022 Posting
NEET PG 22 Recall questions & Discussion
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2022-05-20 11:03:01 Persons with DM are 25 times more likely to become legally blind than persons without diabetes. Blindness is primarily the result of progressive diabetic retinopathy and clinically significant macular edema. The presence of retinal vascular microaneurysms, blot hemorrhages, and cotton wool spots mark the presence of nonproliferative diabetic retinopathy. Increased retinal vascular permeability, alterations in blood flow, and abnormal microvasculature lead to retinal ischemia. In response to the ischemia, new blood vessels may form at the optic nerve and/or macula (neovascularization). This marks the presence of proliferative diabetic retinopathy. These new vessels rupture easily and may lead to vitreous hemorrhage, fibrosis, and retinal detachment. Open / Comment