Wednesday, August 27, 2014

Difference between partial and complete hydatidiform mole mnemonic

Hi everyone! Since you can completely confuse incomplete mole and complete mole, here's a memory aid for you! The trick is to remember one & the other one, is the other one. We'll remember complete mole.

A complete mole is completely paternal.
Complete mole has completely lost maternal chromosomes.
Complete mole can become completely malignant - can be Choriocarcinoma.
Complete mole is completely a tumor with no fetus on gross examination.
Complete mole often has a uterine size large for dates.
Complete mole has a markedly elevated hCG.
Complete mole is associated with theca letein Cysts.
Complete mole is associated with preeclampsia (hypertension) and hyperthyroidism.

Wednesday, August 20, 2014

Normal labor: Mechanism on dummy pelvis and mnemonics

Hi everyone!
In this video I talk about normal labor and describe the events in detail.
Hope it helps :)



Here are some memory aids -

Sunday, August 17, 2014

Malnutrition: Waterlow Gomez classification menmonic

Hi everyone =)

We are going to learn how to remember various classification's of malnutrition in a silly way.. So let's get started!

First, Waterlow classification. Here it goes -

Waterlow classification menmonic

Thursday, August 14, 2014

Quad screen results, triple marker and trisomies mnemonic

If you suck at remembering the results of this test for various disorders, you are in the right place.

Quad screen interpretation with mnemonic

Wednesday, August 13, 2014

My low osmolarity ORS notes for MBBS exam and constituents of ORS mnemonic

{Learning is one thing and deciding what will you write in a written test is another. This is what I have decided to write in my MBBS exam if a short answer question SAQ or a long answer question LAQ on low osmolarity ORS is asked! I might actually do a notes label if time permits for most of important questions. But for now, here goes the first one.

Let's get started!}

Defintion: Oral rehydration therapy is an inexpensive glucose and electrolyte solution as promoted by the World Health Organization that has reduced the number of deaths from dehydration due to diarrhea substantially.

Pathophysiology: Oral rehydration takes advantage of glucose-coupled sodium transport, a process for sodium absorption which remains relatively intact in infective diarrheas due to viruses or to enteropathogenic bacteria, whether invasive or enterotoxigenic. Glucose enhances sodium, and secondarily, water transport across the mucosa of the upper intestine.

Monday, August 11, 2014

Why is Lasix NOT prescribed at night?

This was asked by my professor in a clinic today.

The answer is simple.. Why would you prescribe Furosemide in the morning or afternoon but not at night? Think! Think! Think!

Sunday, August 10, 2014

Evaluating axis from ECG (Mnemonic)

Hi everyone! We are going to learn how to determine the axis from an electrocardiogram =D

First of all, do you know which two leads should be looked at to determine whether axis is in the normal quadrant or if it is Left Axis Deviation (LAD) or Right Axis Deviation (RAD)?

Look at lead I and lead II. Sounds simple! ^__^

An upright (positive) QRS in leads I and II is normal (–30 degrees to +105 degrees).
In left-axis deviation, there is an upright QRS in lead I and a downward (negative) QRS in lead II (< –30 degrees).
In right-axis deviation, there is a downward QRS in lead I and an upright QRS in lead II (> +105 degrees).

How do I remember this? @_@

Thumbs up method: Lead I = Left thumb, Lead II = Right thumb.

Wait, why lead I is left thumb and lead II is the right thumb?
Because left is a smaller word and it gets the smaller number, that is, one!
Right has more alphabets and it gets the bigger number, that is, two.

Left thumb up (I) + Right thumb up (II) = Normal.
Left thumb up (I) + Right thumb down (II) = LAD.
Left thumb down (I) + Right thumb up (II) = RAD.

Mnemonic method:
Left leaves, right returns.

That's all!
Have a splendid week everyone < 3
-IkaN


Saturday, August 9, 2014

Why are nonsteroidal anti-inflammatory agents avoided in myoardial infarction?

Good question!

Nonsteroidal anti-inflammatory agents, with the exception of aspirin, are avoided in the setting of myocaridal infarction.

Thursday, August 7, 2014

Minimum number of antenatal visits recommended by WHO mnemonic

WHO recommends at least 4 visits:

1st visit around 16 weeks
2nd visit between 24-28 weeks
3rd visit at 32 weeks
4th visit at 36 weeks

Sunday, August 3, 2014

Why do we feel temperature with the back of our hand and why not the front?

The answer to this question goes back to Anatomy.

The front of our hand is innervated by the Median and Ulnar nerves which come from the lateral and medial cords of the brachial plexus.
However, the back of the hand is innervated mostly by the Radial nerve which comes from the posterior cord of the brachial plexus. The posterior cord carries the maximum number of nerve roots, that is, C5, C6, C7, C8 & T1.

The radial nerve provides cutaneous sensory innervation to most of the back of the hand so I guess it's better to check temperature with a nerve with maximum representative nerve roots. I assume if one or two roots are not working properly, say C8 & T1, the other roots from the same nerve will compensate for it.
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