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Michelle Jones-Watson, most commonly known as MJ, is a fictional character portrayed by Zendaya in the Marvel Cinematic Universe (MCU) film franchise, an original character within the media franchise that pays homage to Mary Jane "MJ" Watson, a recurring love interest of Spider-Man in comic books and various media.

She is depicted as a smart, snarky classmate of Peter Parker in Spider-Man: Homecoming (2017), and becomes his love interest in the sequel Spider-Man: Far From Home (2019), a unique aspect for original characters within the MCU franchise and upon Spider-Man feature films preceding it. She returns in Spider-Man: No Way Home (2021), helping Peter, Ned, and Doctor Strange to capture multiple villains that have entered their universe from the multiverse. Her romantic involvement in Peter's personal life would eventually be undone due to Strange's casting of a spell that permanently erased the world's memory of Parker's civilian persona, including the loss of his previous bonds he forged with his friends, loved ones, and allies.

The character has received positive reviews, and Zendaya has been praised as a strong female supporting cast member, receiving the Saturn Award for Best Supporting Actress for her acting in Far From Home.

According to Spider-Man: Homecoming co-screenwriter John Francis Daley, Michelle was intended as a reinvention of Mary Jane Watson. While her nickname reveal was an homage to the supporting character within the comic books and other Spider-Man media, Marvel Studios president Kevin Feige confirmed she is an original Marvel Cinematic Universe character. Feige added: "Peter's had a lot of friends over the years in the comics, and a lot of schoolmates and characters he’s interacted with. It wasn't just Mary Jane Watson; it wasn't just Gwen Stacy; it wasn’t just Harry Osborn. So we were very interested in the other characters, and that’s where Liz came from and that’s where the version of the character Michelle came from." Jon Watts, director of Spider-Man: Homecoming, Spider-Man: Far From Home and Spider-Man: No Way Home, likened the character to Ally Sheedy's Allison Reynolds from The Breakfast Club (1985) and Linda Cardellini's Lindsay Weir from Freaks and Geeks (1999–2000).

The character's full name is Michelle Jones-Watson, which was first revealed in Spider-Man: No Way Home. Until that point, she had been referred to once as Michelle and primarily known by the nickname MJ; although the name "Michelle Jones" had been used in an article by Variety, quickly spreading among the press and fans, the name was not used in any official media until No Way Home.

MJ is portrayed by actress Zendaya in the Marvel Cinematic Universe as a classmate of Peter Parker at Midtown School of Science and Technology and a teammate on the academic decathlon team. She is depicted as politically active with critical views, and a loner who claims to eschew friendship. Zendaya described the character as "very dry, awkward, intellectual". This sometimes manifests itself in the form of deadpan sarcasm, as when she calls Peter and Ned "losers" for ogling his crush, Liz from afar. Among her unusual hobbies is attending detention simply to "sketch people in crisis."

Unlike previous supporting female characters within Spider-Man films, such as Mary Jane Watson from the Sam Raimi trilogy and Gwen Stacy from the Amazing Spider-Man films, MJ is neither a romantic interest nor a damsel in distress at the beginning of her character arc. Instead, the character Liz was created initially for the role of romantic interest in a way that tied into Parker's conflict with the Vulture.

In the third film, she is rescued from a fall by Andrew Garfield's incarnation of Spider-Man, prompting an emotional moment for that Spider-Man, in light of his failure to save Gwen Stacy from a similar fate in The Amazing Spider-Man 2.

In 2016, Michelle, commonly known as MJ, is introduced as a student at Midtown School of Science and Technology and enjoys mocking her classmates, including Peter Parker. She is given the opportunity to take over from the departing Liz as captain of the Academic Decathlon Team, and begins to open up more with teammates, such as Ned Leeds and Parker. She begins to consider them as her friends.

In 2018, MJ is a victim of the Blip, before being restored to life in 2023. In 2024, MJ attends the school sponsored trip to Europe, where her affections are sought out by Parker and Brad Davis. When she deduces Parker's identity as Spider-Man, MJ helps discover Mysterio's fraudulence as the one who staged the Elemental invasion. Shortly after their trip to Europe, MJ and Parker begin a relationship, and have their first date by swinging in the city, when TheDailyBugle.net's J. Jonah Jameson releases a doctored video of Mysterio and Spider-Man, claiming that Spider-Man is responsible for the Battle of London (during which Mysterio was killed) and exposing his identity as Parker.

After Parker is framed for the murder of Mysterio, MJ and Parker head back to Parker's aunt May's apartment to escape the press. She is eventually interrogated and taken to custody by the Department of Damage Control along with May, Parker, and Ned. MJ, Parker, and Ned then become infamous, resulting in all their college applications being rejected. In response, Parker consults with Stephen Strange about a spell that would help people forget that he is Spider-Man, which Strange casts for him, but the spell is corrupted when Parker makes changes to the spell after Strange has begun casting it in order to exempt his loved ones from it. Several Spider-Man foes from other universes who know Parker is Spider-Man arrive and attack him as a result of this.

MJ and Ned help Parker track down three of these individuals. After they find out that Strange intends to send them straight back to their realities to certain death, Parker objects and after a struggle, takes the box containing the spell in addition to Strange's sling ring and placing those under MJ and Ned's care, as he opts to restore the villains to their human forms. After learning of May's death by the hands of Norman Osborn's alter ego Green Goblin, MJ and Ned uses the sling ring to try and locate Parker but instead find an alternate version of Parker (later code-named "Peter-Three") in one attempt and another one (later code-named "Peter-Two") in another attempt. Ned and MJ find a bereaved Parker on a rooftop and go to comfort him. They then introduce him to his alternate selves, who also comfort him and provide advice.

In a standoff between the Spider-Men and their villains at the Statue of Liberty, Ned and MJ protect the spell box as the Spider-Men battle their enemies together. MJ falls from the statue after a pumpkin bomb from Osborn detonates on the spell box, destabilizing the spell once more and threatening the fabric of reality. Parker tries to save her but is whisked away by Osborn. She is then ultimately saved by Peter-Three, who had lost his own girlfriend in a similar situation. Before long, Strange fixes the spell due to Parker requesting the former to erase the latter from everyone's memory, sending the other Spider-Men and their villains back to their universes and preserving space-time. Parker and MJ confess their love for each other and kiss passionately before the spell is completed, but not before she and Ned make Parker promise to find them. Parker later considers reintroducing himself to both MJ and Ned, but ultimately decides not to.

After the announcement of Zendaya's casting, controversy and speculation centered upon the fact that Zendaya, an African American actress, would be portraying Mary Jane Watson. Media outlets defended Zendaya over the issue, along with the Guardians of the Galaxy film series director James Gunn and Mary Jane co-creator Stan Lee on social media. Zendaya responded to the rumors of her character as Mary Jane by The Hollywood Reporter in an interview saying:

Zendaya also confirmed that despite the confusion, she is "100% Michelle" and not Mary Jane as many had speculated. However Michelle is revealed to be nicknamed "MJ" in Homecoming, by which she is known for the entirety of Far From Home, while her full name is revealed to be Michelle Jones-Watson in No Way Home, though she says she goes by Michelle Jones.

The character of MJ had a positive reception in Homecoming by film critics, with Zendaya referred to as a "scene stealer" in her first major film role, despite her limited screen-time. Caitlin Busch of Inverse felt thankful that the character was not Mary Jane Watson and opined that the original character works better for the film.

The character has also received positive feedback from a feminist perspective, especially in Spider-Man: Far From Home. Karen Han of Polygon felt that the character was a positive representation of strong female characters while additionally Vanity Fair noted how MJ was not portrayed as a warrior like Hayley Atwell's Peggy Carter, Lupita Nyong'o's Nakia or Evangeline Lilly's Hope van Dyne but also not a damsel and declared her as the "MJ we both need and deserve". Her personality was reminiscent to Daria Morgendorffer in Daria to some reporters. Rachel Leishman of The Mary Sue described the MCU version of MJ as extremely important in Peter Parker's life.

MJ, alongside Parker and Jacob Batalon's Ned Leeds were described as a "priceless trio" by Pete Hammond of Deadline Hollywood with his review of Spider-Man: No Way Home. The relationship between the three characters in the films were noted as more matured by Brian Lowry of CNN. Sam Machkovech of Ars Technica also praised the trio's chemistry noting that in the second film both MJ and Ned had a rivalry with each other of Peter's relationship but in the third film they were ultimately more bonded together. The chemistry in Spider-Man: No Way Home of MJ and Tom Holland's Parker was praised by RogerEbert.com's Brian Tallerico. Brian opined that the film is the first of the films to let their relationship to shine. He also noted, "she nails the emotional final beats of her character in a way that adds weight to a film that can feel a bit airy in terms of performance." Don Kaye of Den of Geek also praised the chemistry of MJ with Parker and also noted that both she and Batalon "provide gentle comic relief". Jennifer Bisset of CNET described her role as much more to do in the third film and also noted of Zendaya's role being gifted of character growth. Eli Glasner of CBC News described "formerly mopey" MJ as having an stronger footing with Parker in the third film.

Zendaya has received numerous nominations and awards for her portrayal of MJ.

A cosmetic outfit based on MJ was added to Fortnite Battle Royale in December 2021 to coincide with the release of Spider-Man: No Way Home, along with an outfit based on Tom Holland's portrayal of Spider-Man.

Also known as: Mountain Time (MT) and Mountain Standard Time (MST)

Mountain Daylight Time (MDT) is 6 hours behind Coordinated Universal Time (UTC). This time zone is a Daylight Saving Time time zone and is used in: North America.

See full time zone map

Mountain Daylight Time is the second westernmost time zone in the United States and Canada. It is also used in Mexico.

It covers all or parts of 13 states in the US and five provinces or territories in Canada.

The MST time zone is the least populated time zone in the USA. It spans from northern Canada to Mexico.

In North America, Mountain Daylight Time shares a border with Central Daylight Time (CDT) in the east and with Pacific Daylight Time (PDT) in the west.

Mountain Daylight Time (MDT) is a North American time zone in use from the second Sunday in March to the first Sunday in November during Daylight Saving Time (DST). Mountain Standard Time (MST) is used during the remainder of the year.

Easy weeknight friendly spaghetti recipe The meat sauce is simple and made completely from scratch Use ground beef, turkey, pork, chicken or lamb to make

Patient 1. 80yo from a nursing home with a few days of lethargy, decreased po intake

Patient 2. 50yo with acute epigastric pain

Patient 3. 60yo ESRD with weakness and presyncope. Old then new

Patient 4. 80yo on ARB and beta-blocker with syncope and nausea, HR 50 BP 90

Patient 5. 80yo DM/CKD with weakness and decreased po intake

Patient 6. 40yo ESRD with weakness, N/V

Patient 7. 80yo CKD with diarrhea, weakness

Patient 8. 90yo with weakness, on spironolactone. Old then new

Patient 9. 50yo IDDM with chest pain, SOB, weak

Hyperkalemia can result in a variety of presentations—including asymptomatic, dyspnea, nausea/vomiting, diarrhea, weakness, chest pain, missed dialysis or cardiac arrest. Most patients have risk factors including CKD, CHF, DM, or medications like ACE inhibitors or potassium-sparing diuretics [1].

Hyperkalemia has been called the great ECG mimicker. By poisoning the atria, hyperkalemia can produce bradycardia, and reduced P wave amplitude can mimic “regular” atrial fibrillation or junctional rhythm. By slowing conduction, hyperkalemia can produce AV blockade, fascicular or bundle branch blocks, or wide complex rhythms that mimic ventricular rhythms (but slower or wider than VT). By blocking sodium channels, hyperkalemia can produce Brugada phenocopy with ST elevation that can be mistaken for STEMI, and by altering the membrane potential hyperkalemia leads to peaked T waves that might be mistaken for ischemic hyperacute T waves—but the former are pinched, with a narrow base and sharp peak, while the latter are bulky, with a wide base and broader peak. Occasionally these peaked T waves are so narrow and tall that ECGs machines will confuse them with QRS complexes and double-count them, leading to a false label of tachycardia [2]. In paced rhythms, hyperkalemia can lead to failure to capture, increased latency from pacemaker to depolarization, and widening of the paced complexes [3].

With so much mimicry, it’s not surprising that hyperkalemic changes are not specific in isolation: one study found that 20% of normokalemic ECGs had one change that can be seen in hyperkalemia—including bradycardia, first degree heart block, wide QRS, or peaked T waves—but only 4% had more than one finding. On the other hand, each of these findings were more common with hyperkalemia, both individually and collectively: 39% of those with severe hyperkalemia (>7) had ECG changes, and 32% had more than one change. [4] In another study, 71% of those with K>6.5 had ECG changes and 43% had more than one. The greatest risk for adverse events was not only PR/QRS prolongation, but also bradycardia and junctional rhythm. Despite these abnormalities the median time from ECG to treatment was 85 minutes, independent of ECG changes, suggesting that physicians are waiting for potassium levels before starting treatment. As a consequence, 15% had adverse outcomes (unstable bradycardia, VT, CPR or death), all of whom had preceding ECG abnormalities (and 86% of whom had more than one), all prior to receiving calcium and all but one prior to potassium-lowering medication.[5]

ECG changes depend not only the potassium level but its rate of increase and associated metabolic abnormalities, and the clinical impact can be magnified by medications like AV-nodal blockers. The BRASH syndrome (Bradycardia, Renal Failure, AV node blockers, Shock and Hyperkalemia) can produce bradycardia and shock out of proportion to potassium level or ECG changes—because the synergy of AV blockers and hyperkalemia on bradycardia, which in turn worsens renal failure and reduces clearance of AV blockers and potassium. So serum levels don’t correlate well with ECG changes or clinical outcome, and patients can become clinically unstable even with narrow QRS. But multiple ECG changes and clinical instability can predict significant hyperkalemia and guide emergency treatment, including empiric calcium.

Patient 1. moderate hyperkalemia (6.7) without ECG changes

No ECG signs of hyperkalemia, likely from gradual rise and concomitant hypernatremia. K 6.7, Na 164. Treated with calcium, normal saline, dextrose/insulin.

Patient 2. LAD occlusion, normal potassium

Cath lab activated: LAD occlusion, normal potassium. ECG post-cath: resolution of hyperacute T waves

Patient 3. severe hyperkalemia (7.1) with subtle changes

Potassium 7.1: treated with calcium, insulin/dextrose, and dialysis

Patient 4. Moderate hyperkalemia (6.2) and BRASH syndrome causing brady-asystolic arrest

Potassium 6.2, treatment initiated with insulin/dextrose/fluids but not calcium because of narrow complex. Then patient developed narrow complex brady-asystole

Treated with calcium and more insulin/dextrose/fluids, with recovery and resolution of changes

Patient 5. severe hyperkalemia (8.6) causing wide complex rhythm

Treated empirically with calcium, insulin/dextrose, fluids, ventolin. Repeat ECG: reappearance of P waves and narrow QRS, T waves still peaked.

Patient 6. Severe hyperkalemia (9.0) causing classic findings and brief sine wave

Brief sine wave

Empiric treatment with calcium, insulin/dextrose pending dialysis: reappearance of P waves and narrow QRS complex, ongoing peaked T waves

Post-dialysis resolution of all hyperkalemic changes:

Patient 8. Severe Hyperkalemia (7.1) causing wide complex bradycardia

Treated empirically with calcium, insulin/dextrose, fluids. Repeat ECG: reappearance of p waves, resolution of broad complex bradycardia and peaked T waves

Patient 9. Severe hyperkalemia (7.1) causing subtle pacemaker changes

Compared with baseline, the new ECG has prolonged atrial and ventricular conduction. Potassium 7.1: treated with calcium, insulin/dextrose, fluids.

Patient 10. severe hyperkalemia (7.2) causing Brugada phenocopy and hyperkalemic ECG changes

Treated, with resolution of changes (ECG not available)